Bycatch (or by-catch), in the fishing industry, is a fish or other marine species that is caught unintentionally while fishing for specific species or...

Cetacean bycatch (or cetacean by-catch) is the accidental capture of non-target cetaceans such as dolphins, porpoises, and whales by commercial fisheries...

trawls often catch bycatch that is not as valuable as the bycatch monitored fisheries or utilize midwater trawling which yields less bycatch than the more...

Human bycatch (or human by-catch) is a term for people who are unintentionally caught on film, in photos, or acoustically recorded on equipment used to...

the IUCN Red List; the steep decline in abundance is primarily due to bycatch in gillnets from the illegal totoaba fishery. The vaquita was defined as...

In the fishery business, a bycatch reduction device is a tool designed to minimize unintended capture of marine animals, to reduce the adverse effects...

Mobulidae. It is currently listed as critically endangered, mostly due to bycatch mortality in unrelated fisheries and a naturally slow reproduction rate...

the main driver for management of the Hawaii longline fishery has been bycatch and not fishery resources. The revival of the Hawaii longline fleet in...

more than 3.4 million tons caught per year, chiefly in Asia. Rates of bycatch are unusually high for shrimp fishing, with the capture of sea turtles...

results in large amounts of other marine organisms being also caught as bycatch. When a turtle gets caught or entangled in a trawl net, it becomes trapped...

throughout their range. Bycatch is the main threat that common dolphins face today. Short-beaked common dolphins are taken as cetacean bycatch the most in all...

injuries or exposure. Bycatch represents about a quarter of all marine catch. In the case of shrimp capture, the mass of bycatch is five times larger than...

important role in coastal food webs. If sunfish were to be removed as bycatch, it can drive localized trophic cascades with top-down control being reduced...

impact of industrial fishing on other elements of the environment, such as bycatch. These issues are part of marine conservation, and are addressed in fisheries...

of terrapins. Crab pot bycatch may reduce local terrapin populations to less than half. To reduce terrapin entrapment, bycatch reduction devices (BRDs)...

practicable: Minimize bycatch; and To the extent by catch cannot be avoided, minimize the mortality of such bycatch. The term "bycatch" is to be interpreted...

the Auckland Islands increased, numbers of sea lions were captured as bycatch and drowned in the squid trawl nets. The government uses a modelling system...

means of drive hunting. Larger threats to porpoises include extensive bycatch in gill nets, competition for food from fisheries, and marine pollution...

have been recorded as far north as Greenland. They are often caught as bycatch by vessels long-lining for tuna. The generic name is from Greek a- meaning...

2001, 55,475 giant isopods were caught as bycatch. If thrown back into the sea following capture as bycatch, the post-release mortality of giant isopods...

Sea number about 178,000. Dall's porpoises are vulnerable to fisheries bycatch. Thousands were killed in commercial driftnet fisheries until the United...

or driftnet fisheries occur, however data on bycatch in many regions are sparse. Animals caught as bycatch are sometimes used as bait in fisheries. Individuals...

and regulations regarding bycatch treatment are difficult to enforce by the nature of the bycatch being unintentional. Bycatch is often not treated as a...

spelled fishmeal) is a commercial product made from whole wild-caught fish, bycatch, and fish by-products to feed farm animals, such as pigs, poultry, and...

in the Beluga whale article, Indonesia's catches of sperm whales, and bycatch in Korea. Most of the whale species in the table are not considered endangered...

significant to commercial fisheries, but could be threatened by mortality from bycatch; the degree of impact from human activities on its population is unknown...

River dolphins also called Freshwater dolphins, are a polyphyletic group of fully aquatic mammals that reside exclusively in freshwater or even in brackish...

and are generally caused by illegal fishing methods, overfishing and bycatch. Illegal fishing methods usually damage the seabed and the marine flora:...

Bycatch Bering Sea Chinook Bycatch Bering Sea Chum Bycatch Gulf of Alaska Salmon Bycatch Crab Bycatch BSAI Crab Bycatch Gulf of Alaska Crab Bycatch BSAI/GOA...

the Crystal World Exhibition Centre Species Great White Shark Sex Female Died 1997 South Australia Cause of death Bycatch Known for Novelty attraction...

then returned to the sea, and bycatch, which includes all non-targeted species caught alongside the targeted species. Bycatch = Incidental catch + Discarded...

migrates vertically. Due to its slow growth and vulnerability to fishing bycatch, it is currently classified as Near Threatened by the International Union...

fisheries bycatch", "Marine Policy", 2009 Soykan, C.U. et al., "Why study bycatch? An introduction to the Theme Section on fisheries bycatch", "Endangered...

of land use to agriculture. The fish is caught by commercial fishing as bycatch, by recreational anglers and illegally by poaching, and present populations...

served at the midwinter festival þorrablót. The consumption, hunting, and bycatch of Greenlandic sharks has been criticized for its unsustainability, as...

addition, bycatch reports are usually insufficiently precise to the species or even genus level, so it is difficult to keep track of bycatch on a species-by-species...

species which is targeted by some fisheries, although it is more often a bycatch. The European flying squid is a large species of squid with a maximum reported...

the most significant and contemporary threats to sea turtles comes from bycatch due to imprecise fishing methods. Long-lining has been identified as a...

This has caused some controversy, due to the high level of marine mammal bycatch associated, leading to the British government introducing a ban on pair...

introduced species on their breeding islands, pollution, and by being taken as bycatch by longline fisheries, as well as by trawl and gillnet fisheries. The Agreement...

suitable for market, known as bycatch. An increased catch of unsaleable whole fish has resulted from the increased bycatch of the fishing industry. These...

Australia. It is threatened by overfishing, as both targeted catch and bycatch. This species is ovoviviparous, with males carrying eggs in a brood pouch...

to a gillnet. Left in the water for no more than two days, and allowing bycatch to be released alive, this net is considered to be less harmful than other...

The Maccoa duck (Oxyura maccoa) is a stiff-tailed diving duck found across Eastern and Southern Africa. As members of the stiff-tailed duck group, Maccoas...

records from Madagascar and Japan. Gemfish appear as infrequent, but regular bycatch species in pelagic longline fisheries for tuna in the waters around the...

also accounts for 2% of all bycatch by circle and j hook longline fisheries in the Bay of Bengal. Survival of being bycatch in these types of nets is low...

the long-term conservation and sustainable use of tuna stocks, reducing bycatch and promoting ecosystem health". Regional Fisheries Management Organizations...

a well-regarded table fish. Large numbers of the species are taken as bycatch in tuna- and shark-fishing operations and marketed. The rainbow runner...

in the surf zone of sandy or muddy beaches. Here it is easily caught as bycatch by shrimp fisheries and seine netters. The International Union for Conservation...

challenge to manage owing to the nature of benthic longline fishing. The bycatch of other fish can also be significant, with the ratio of toothfish caught...

strict permit requirements for both scientific research and incidental bycatch. In 2019, the state further banned the use of bait, chum, or decoys to...

indicators of ecosystem health. This species has frequently been harmed via bycatch events (primarily passive ice fishing), chemical pollutants, and siltation...

are mainly found as common bycatch to commercial fishes such as scabbardfish, tuna and swordfish. Despite being common bycatch, little is known of their...

The Republic of the Marshall Islands has a commercial fishery that targets bigeye (Thunnus obesus) and yellowfin (Thunnus albacares) tuna using pelagic...

SharkDefense is a research organization and think tank focused on shark bycatch reduction. Its core research involves chemical and electrochemical shark...

wasps and even small fruit eating bats may enter the bottle traps as bycatch while the collector aims for beetles. Such unwanted animals in the trap...

populations are not commercially targeted by local fishing, but are a bycatch in Queensland's deepwater eastern king prawn trawl fishery, and Australian...

50% over the last 75 years, primarily as a result of targeted fishing, bycatch in other fisheries, and collisions with large ships. Whale sharks inhabit...

as endangered due to its rarity, low reproductive rate, and continuing bycatch mortality. In 2019, alongside the shortfin mako, the IUCN listed the longfin...

in March 2012. Both records from South Korea were individuals taken as bycatch, including a 6.3 m (21 ft) female off Geoje in January 2004 and a 6.4 m...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

feeds on other fishes and on swimming crustaceans. It is often caught as bycatch in deep trawl fisheries, but is not utilized. Munroe, T., Robertson, R...

purse seine tuna boats in the Eastern Pacific Ocean. Dolphins are a common bycatch in fisheries. There are more than 90,000 dolphins estimated to be killed...

target fish. Spearfishing uses no bait and is highly selective, with no bycatch, but inflicts lethal injury to the target animal and thus precludes catch...

overhunting, collisions with buildings or vehicles, long-line fishing bycatch, pollution (including oil spills and pesticide use), competition and predation...

increase strength, versatility and to reduce the environmental damage of bycatch. While highly criticised, shark nets are common in Australia and South...

as they are primarily caught by beam trawlers, which have a very high bycatch rate. The Greenpeace International seafood red list is a list of fish that...

over the last 50 years. Some organizations claim that shark fishing or bycatch (the unintentional capture of species by other fisheries) is the reason...

the kitefin shark, generally as bycatch in bottom trawls and on hook-and-line. Portugal reported a kitefin shark bycatch of 282 tons in 2000 and 119 tons...

publicly available. S. 273 February 8, 2021 Driftnet Modernization and Bycatch Reduction Act A bill to improve the management of driftnet fishing. S. 297...

be used in fish maw fishing. However, gillnets can have high rates of bycatch. In the Gulf of California, gillnets set by poachers to catch totoaba also...

Brewer (2001). "Sustainability of fishery bycatch: a process for assessing highly diverse and numerous bycatch". Environmental Conservation. 28 (2). Foundation...

traditional medicine and the aquarium trade, and to population losses from bycatch in the shrimp fishery. Inshore sea-grass habitats frequented by the species...

strength, as well as net length and depth are all closely regulated to reduce bycatch of non-target species. Gillnets have a high degree of size selectivity...

south eastern Atlantic Ocean which is a target of fisheries, mainly as bycatch. The Cape horse mackerel has an elongated, slightly compressed, body with...

between 40 and 100 cm (16 and 39 in). In South Africa, where it is a common bycatch of the hake fishery, it is generally known and sold as "angelfish", although...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

abundant pelagic sharks, with large numbers being caught by fisheries as bycatch on longlines and nets. The earliest fossil teeth of this species are known...

a reason for culling. The impact of culling is also minor compared to bycatch with 50 million sharks caught each year by the commercial fishing industry...

worldwide. They are sighted regularly off Hawaii and Japan. Appearances in bycatch suggest a year-round presence in the Indian Ocean near Sri Lanka and the...

considered an overexploited resource. It is also commonly found in fishery bycatch. In Japan, it is known as sappa or mamakari and in Korea as baendaeng'i...

poorly quantified and rapidly changing human threats including fisheries bycatch related mortality and illegal directed catch (Elwen and Gopal, 2018; Alfaro-Shigueto...

dried and salted, and it is highly sought after in India. When caught as bycatch in trawls, Rhina ancylostoma is considered a nuisance because its strength...

the bycatch of bottlenose dolphins in commercial fishing gear. Although U.S. laws such as the Marine Mammal Protection Act are in place, bycatch remains...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Conservation of Nature as of 2025. They are caught in relatively low numbers as bycatch through deep-sea fisheries. While they are commonly caught alive and often...

prey animals like rays to multiply, which alters the food chain dynamics. Bycatch is the industry term for what they consider "unwanted or economically-worthless...

waters are rapidly being depleted, most likely due to overfishing and bycatch, and it is currently a Species of Concern according to the U.S. National...

drum lines can be used to move sharks, which greatly reduces shark and bycatch mortality. The use of drum lines has been successful in reducing shark...

recreational species on the Seribu Islands, where they are commonly caught as bycatch in fishing pots. Locals prefer larger and more profitable species in the...

negative effects on seabirds, particularly via fisheries bycatch and prey depletion. The bycatch of seabirds entangled in nets or hooked on fishing lines...

waste from fishing gear, or ghost nets, as well as the devastation of bycatch. The film also suggests environmental organizations have been unable to...

efficient methods of fishing available, with one of the lowest levels of bycatch.[better source needed] The UN Food and Agriculture Organization has cited...

and 24 m (3 ft 3 in and 78 ft 9 in). The marbled stingfish is taken as bycatch in some shrimp trawl fisheries and fishermen have to take great care in...

caught, but also being caught non-intentionally on longlines and nets. Bycatch has also greatly reduced these species because they often migrate in large...

Aside from its value for oil, the C. monstrosa is mainly discarded as bycatch in fishing. Finucci, B. (2020). "Chimaera monstrosa". IUCN Red List of...

sedentary. Pollack is of value to fisheries, although it mainly represents bycatch. Landings data show three fairly distinct centres of distribution, one...

Hydrolagus pallidus is oviparous. H. pallidus faces a potential threat as bycatch of deepwater trawl fisheries, especially as deepwater fisheries operate...

(39 in) long. With little information on population size or frequency of bycatch, the Japanese sawshark is listed by the IUCN Red List as being Least Concern...

impact of industrial fishing on other elements of the environment, such as bycatch. These issues are part of marine conservation, and are addressed in fisheries...

for the European sturgeon is a long process that might take 30–50 years. Bycatch in commercial trawls and gillnets, pollution, climate change, and potential...

planes may be used to find the large schools They may also be taken as bycatch of purse seine and trawl fisheries pursuing other schooling species like...

current form) contributing to overfishing. Oceana also focuses on reducing bycatch, especially of protected or endangered species. Oceana's main focus with...

Benefits included: increased stocks; improved management of stocks; reduced bycatch; expansion of environmentally protected areas; and increased knowledge...

waters. Although targeted in some areas, the species is mostly taken as bycatch by tuna longliners. Sailfish are not as highly valued as marlin, and are...

independent data collection source for some types of at-sea information, such as bycatch, catch composition, and gear configuration data. Independent data collection...

carcasses for fishmeal. The great hammerhead is also taken unintentionally as bycatch and suffers very high mortality, over 90% for fisheries in the northwest...

as a bycatch and there are fisheries directed at this species, except that it is occasionally targeted in the Skagerrak. It is an important bycatch species...

their flesh, resulting in irreversible injury. Similarly, mantas become bycatch when entangled in gill nets designed for smaller fish. Some mantas are...

exploited in its Atlantic range, although it may be caught and eaten as bycatch.[citation needed] In England, red gurnard is fished off the Cornwall coast...

price tends to be quite low. Thus, many freshwater drum are harvested as bycatch from targeted higher-value species. There has been some research on the...

harvest from shrimp farms exceeded the capture of wild shrimp. Excessive bycatch and overfishing (from wild shrimperies) is a significant concern, and waterbodies...

killings of birds. While hunting kills millions of terrestrial birds, the bycatch from commercial fisheries is responsible for the majority of human caused...

Honig, M.B.; Ryan, P.G.; Nel, R.; Underhill, Lg.G. (April 2009). "Turtle bycatch in the pelagic longline fishery off southern Africa". African Journal of...

bottoms. It lives to a maximum age of around seven years. It is caught in bycatch by fisheries and is used in the aquarium trade. The common dragonet has...

Lennox, Robert (2008). "Observations of Mudpuppy (Necturus maculosus) bycatch in a recreational ice fishery in northern Ontario". The Canadian Field-Naturalist...

that legalized the sale of bycatch in 2001. Between 1997 and 2000 only 19–29 whales were annually reported caught as bycatch. The number increased to 89...

drift fishing, spearing, hooking and catching by hands. Octopuses are also bycatch. Attempts to farm octopuses commercially are controversial. Octopus is...

"Rope-less Fishing Technology Development" (PDF). The Consortium for Wildlife Bycatch Reduction. Retrieved 2020-09-29. "LobsterLift". conservationx.com. Retrieved...

require power input, making them practical for use in fisheries and as bycatch reduction devices. A independent study in 2018 found that magnetic shark...

Gazami crab. Other species, such as the three-spotted crab are caught as bycatch. The genus Portunus contains 13 extant species and another 26 species known...

Whipray are marked as critically endangered. Threats to stingrays include bycatch as product of overfishing, water contamination, loss of habitat, tourism...

MH, Murawski SA, Pope JG (1996) [1994]. "Bycatch of Marine Mammals". A global assessment of fisheries bycatch and discards. Rome: Food and Agriculture...

the young hatch after 70–80 days. This small shark is often captured as bycatch but rarely used by humans as food. It has been assessed as Near Threatened...

Act and the Bycatch Reduction and Mitigation Act as a result of declining salmon returns in western Alaska and concerns about salmon bycatch in pollock...

adaptable species that has learned to follow fishing boats for jettisoned bycatch, and to use unusual nest sites such as the roofs of buildings and artificial...

higher impacts of fishing as juveniles and egg cases are often accidental bycatch of fishing operations. These practices are concerning as their population...

three young. This relatively common shark is an occasional, valueless bycatch of commercial fisheries; currently it does not appear to be significantly...

slopes and primarily feeds on teleost fish and squid. It is caught as bycatch in commercial fishing, which has caused populations to decline. Males measure...

past there were few markets for sharks, which were regarded as worthless bycatch. Now sharks are being increasingly targeted to supply emerging Asian markets...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

It is found in cold, deep waters in the North Atlantic, often caught as bycatch in fisheries for Greenland halibut (Reinhardtius hippoglossoides). As suggested...

accidentally caught in fishing gear as bycatch, the unintended capture of animals in fishing equipment. Bycatch has been reported in regions worldwide...

are considered unsustainable by some authorities due to excess bycatch, although bycatch is said to be much reduced if fish aggregation devices are not...

times, it has no economic value and is mostly discarded when caught as bycatch in fisheries. The impact of fishing on its population is uncertain, and...

records are from California. Pelagic threshers are frequently taken as bycatch on longlines and in driftnets meant for other species such as tuna, and...

bag and possession limit, and the commercial side is restricted by bycatch and bycatch quotas. Under the Washington Department of Fish and Wildlife, lingcod...

South Wales occurred at netted beaches. Shark nets result in incidence of bycatch, including threatened and endangered species like sea turtles, dugongs...

stock of the species. Today, the Greenland shark is primarily caught as bycatch in industrial fisheries. While about 25 are caught per year by artisanal...

itself is too small to be of value, and is only infrequently taken, as bycatch, on pelagic longlines and in midwater trawls and plankton nets. The lack...

Fishing nets can be overwhelmed with, or torn by the weight of jellyfish bycatch. Jellyfish can clog water inlets to power plants, causing serious problems...

acoustic warning into the water column) to help reduce the bycatch of other cetaceans, but bycatch reduction for L. borealis was not found to be statistically...

fishery on other species is variable. The effects on benthic species and bycatch are relatively unknown, although the effects are assumed to be negligible...

the species, although it makes note that it is sometimes harvested as bycatch in trawls for shrimp and other fish. Muddy bottoms of the Western Atlantic...

makes it heavily trapped for the illegal wildlife trade. It is also often bycatch and caught in snares by hunters targeting red junglefowl and rails. It...

fisheries, they are often caught with larger groundfish, classified as bycatch, and discarded. Recreational fishing accounts for an insignificant portion...

leach Fishing — Blast fishing • Bottom trawling • By-catch • Cetacean bycatch • Gillnetting • Illegal, unreported and unregulated fishing • Environmental...

mainly in Australia and south of New Guinea island. This species is a minor bycatch and usually released back to ocean by Australian trawlers, although it...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

purse seiners to monitor bycatch; Shanks would later describe the findings of that survey — which reported significant bycatch of Chinook Salmon in a fishery...

also have longer tentacular clubs. Sepia elegans is sometimes caught as bycatch high numbers in parts of its geographic range. In the Mediterranean Sea...

due to the inability to find them consistently. They are often caught as bycatch in the swordfish, deep-water grouper and snapper fisheries. Recreational...

likely feed on tadpoles of the Titicaca water frog, the frogs are caught as bycatch in fishing nets set for trout, and coastal pens for farming trout overlap...

fishing intensity, monitor the fisheries, and implement measures to reduce bycatch and protect essential fish habitat. NMFS is establishing marine protected...

echiurans. Most commercial fisheries do not target Alaska plaice, and bycatch by commercial trawlers targeting other groundfish is the sole source of...

abandoned fishing hooks. The CCAMLR has introduced measures to reduce bycatch of albatrosses around South Georgia by 99%, and other regional fishing...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

observed in its natural environment lately. This species is an uncommon bycatch of bottom trawls. Venezuelan biologist Dr. Fernando Cervigón described...

and are taken by commercial fishermen, both as a directed catch and as bycatch in major industrial tuna fisheries. Blue marlin are currently considered...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

examine bycatch from the trawler Nerine, which had just returned to port under the command of Captain Hendrik Goosen, and it was among this bycatch that...

M.; Carlos Garza, John (March 2022). "Genetic assignment of fisheries bycatch reveals disproportionate mortality among Alaska Northern Fulmar breeding...

the total weight of the trawl catch, increase survival of snakes, while bycatch reduction devices can exclude many sea snakes. Snakebite Crowe-Riddell...

eagle ray, but it is often eaten after being caught unintentionally as bycatch. There have been several reported incidents of spotted eagle rays leaping...

interest to fisheries, and is often caught as bycatch or by hand jigging. It is largely caught as bycatch in double rig trawlers for coastal shrimp. Jereb...

bottom set nets. Whatever the type of fishing (artisanal, targeted, or bycatch), the impact on a population with a low fecundity rate, a long gestation...

hunters, and uses reclaimed specimens that have been caught as fishing bycatch or died by natural causes. He has also developed a novel freeze-drying...

is caught as bycatch in shrimp trawl fisheries. Nothing is known about trade in this particular species, but substantial target and bycatch fisheries for...

turtle bycatch has shown to be a large issue. With modifications to the devices used to capture catfish, there was an 84% decrease in turtle bycatch, with...

have made the fish less commercially available. Researchers estimate the bycatch of young red snapper, especially by shrimp trawlers, is a significant concern...

or brackish waters of an unknown depth. It is often caught as target or bycatch by small-scale local fisheries. Sherman, C.S.; Bin Ali, A.; Bineesh, K...

the coast of Oman, also has mahi-mahi. At first, mahi-mahi were mostly bycatch in the tuna and swordfish longline fishery. Now, they are sought by commercial...

medicine, and for their shells. Sea turtles are often killed accidentally as bycatch in fishing nets. Turtle habitats around the world are being destroyed....

actions are currently taking place for the species; however, it may be a bycatch for deepwater fisheries. The exact population of the species is unknown...

include the 4VWX5Z NAFO areas in 2003. Cusk are still commonly caught as bycatch in the longline and lobster fisheries and can be found in supermarkets...

common and not actively sought by fishers, but it is often part of the bycatch. American plaice may be an intermediate host for the nematode parasite...

indiscriminate and catch whatever comes along; sea turtle, dolphin, or shark. Bycatch is a large contributor to sea turtle deaths. Longline, trawl, and gillnet...

subsistence hunting and accidentally as bycatch (mainly in bottomset nets). Along the Norwegian coast, bycatch accounted for 48% of pup mortality. Killing...

specifically targeted by fisheries, resulting in heavy fishing pressures and bycatch. Some species are aquacultured, such as the tonguefish Cynoglossus semilaevis...

populations may be caused by more frequent bycatch and the increasing popularity of sunfish in human diet. The fishery bycatch and destruction of ocean sunfish...

University Women fellow. In 2012, the fish trap she invented to reduce bycatch won the first Rare/National Geographic Solutions Search contest. Johnson's...

Individuals have been caught in trawl nets, however most bycatch is not retained. The bycatch is placed back into the ocean and has a relatively high survival...

cannot sustain the pressure of targeted fishing, and are taken only as a bycatch species. It is one of the economically important species to South African...

deepwater sharks as concerns over bycatch and bottom trawling continue and both total allowable catch and bycatch are set at 0 in its regulations. Walls...

Humpback chub (Gila cypha) Bonytail chub (Gila elegans) Atlantic croaker Bycatch Carp Freshwater drum Gar Bowfin Achirus lineatus Carlander HB (1954) A...

from British Columbia listed as a "Good Alternative" due to concerns over bycatch of overfished and otherwise at-risk species. Nutrition information for...

placed this species in the genus Hyporthodus Speckled hind are taken as bycatch by commercial fisheries for other species of grouper and snapper off the...

now regulated. Angel sharks live very close to shore, resulting in high bycatch rates. In 1991, the use of gillnets in nearshore state waters of California...

Off Australia, the only threat to this species is a very low level of bycatch in prawn trawls, and there it has been assessed as of Least Concern. Rigby...

became relevant in the twenty years following the original act were added: bycatch charter fishing commercial fishing economic discards essential fish habitat...

The largetooth sawfish (Pristis pristis, syn. P. microdon and P. perotteti) is a species of sawfish in the family Pristidae. It is found worldwide in tropical...

The Atlantic torpedo is caught as bycatch but not utilized....

include mesopelagic fish and pelagic crustaceans. It is sometimes taken as bycatch by commercial fisheries, but is not a targeted species. Dorsal and ventral...

to cannibalize juveniles of its own species. Several species are common bycatch in the seabob shrimp industry. Stellifer was first proposed as a monospecific...

on the verges of being overfished. Rarely caught elsewhere, usually as bycatch in tuna fisheries. Froese, Rainer; Pauly, Daniel (eds.). "Brama australis"...

viable populations of the species. They are particularly susceptible to bycatch mortality due to the many fisheries that exist within their natal estuaries...

The Hawaiian monk seal (Neomonachus schauinslandi) is a vulnerable species of earless seal in the family Phocidae that is endemic to the Hawaiian Islands...

collaborating with the Chinese government to ensure the survival of the species. Bycatch by unwary fishermen may be a factor for the ongoing decline of the Yangtze...

pots. Bycatch – bycatch is the harvest of marine life and seabirds during fishing operations when other fish were the target. For example, bycatch might...

due to the depletion of traditional resources. This species is a common bycatch associated with many demersal fisheries, including the black spot seabream...

mackerel. It is a species of minor commercial importance, taken mainly as bycatch by fisheries for other tuna species. It has rather oily flesh, paler than...

and fibre. Fish traps contribute to the problems of marine debris and bycatch. Traps are culturally almost universal and seem to have been independently...

are caught as bycatch in gillnets targeting flounder off North Carolina, but most are released alive. They are also caught as bycatch in small numbers...

the oysters are collected, they are sorted to eliminate dead animals, bycatch (unwanted catch), and debris. Then they are taken to market, where they...

to porpoises is static fishing techniques such as gill and tangle nets. Bycatch in bottom-set gill nets is considered the main anthropogenic mortality...

the boat. In return, the dolphins are rewarded with some of the fishers' bycatch. Historically, Irrawaddy River fishers claimed particular dolphins were...

foreign industrial fleets; they may be the targeted species or may be bycatch in hake, cephalopod or shrimp fisheries, but the catch statistics are not...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

transplanted to assist in nesting. Also, most commercial longline fisheries use bycatch mitigation devices. In 2017, a wild short-tailed albatross that had been...

it has a powerful bite that invites caution. This species is a common bycatch of various pelagic longline fisheries meant for tuna and swordfish. The...

except January. They are attracted to light and have also been recorded as bycatch in the New Zealand National Fruit Fly Surveillance fly traps. This species...

skittish. Atlantic bigeye are a minor commercial species, often caught as bycatch. Low numbers are taken by trawling, spearing, and hook-and-line. The flesh...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

(a 40.3-cm male), both caught in the East China Sea, probably taken as bycatch in deepwater trawl fisheries. The reproduction of this catshark is oviparous...

Furthermore, their association with tuna results in many sharks being taken as bycatch in tuna fisheries. Although slow-reproducing like most other sharks, the...

impact of industrial fishing on other elements of the environment, such as bycatch. These issues are part of marine conservation, and are addressed in fisheries...

(Gymnocephalus cernua) Three-spined stickleback (Gasterosteus aculeatus) Bycatch "Pysgotfa - Eisteddfa Fisheries - Criccieth -". www.eisteddfa-fisheries...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

size due to stressors such as noise pollution, ship traffic and fishery bycatch, construction of dams and hydroelectric power plants. It is also endangered...

Florida torpedo may merit conservation concern; potential threats are bycatch in demersal trawl fisheries and tourism-related coastal development. It...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

The unicorn filefish (Aluterus monoceros) was until recently considered bycatch in the trawl fishery. This changed after 2008, when the species suddenly...

fishing, though it does represent an important commercial component of bycatch. It is common in restaurants in Hawaii. In Hawaiian longline fisheries...

by hook and line and gill nets. In California it tends to be caught as bycatch when fishers are targeting bocaccio rockfish (S. paucispinis). It is also...

Sea and lower Yukon River have contributed to declining salmon stocks. Bycatch, particularly from trawl fisheries, has had unintended consequences on...

jellyfish with modified trawl nets, and studies have shown low quantities of bycatch are typically seen in the fishery. As of August 2025, Mexican coasts have...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

regarded as Endangered because of its sedentary habits, the numbers taken as bycatch by fisheries and the threat of anthropogenic climate change. The IUCN inferred...

both commercial and traditional Māori fisheries. They are also common bycatch of the Australasian snapper (Pagrus auratus), mullet (Mugilidae), white...

impacts for humans are known. Remoras are occasionally caught as fishing bycatch and put in aquaria. Remoras have been used in fishing – one method involves...

harvested by the commercial fishing industry—it is usually considered bycatch in the trawling nets used to target other species of fish. The barndoor...

towards the coelacanth is the accidental capture by fishing operations (bycatch), especially commercial deep-sea trawling. Coelacanths usually are caught...

cow sharks. Furry coffinfishes, like other species in Chaunax, have been bycatch for deep sea trawlers. The furry coffinfish was categorized as "High Risk"...

Protecting essential fish habitats Additionally, the law calls for reducing bycatch and establishing fishery information monitoring systems. Eight Regional...

of its genus. The Oman bullhead shark likely is accidentally caught as bycatch, putting the species at risk. Ebert, D.A.; Khan, M.; Valinassab, T.; Akhilesh...

therefore, is not hunted by humans. However, individuals may be collected as bycatch with trawling, and as commercial fisheries shift more toward deep sea resources...

region and while not a commercially targeted fish, are commonly captured as bycatch in trawls. The Australian South East Trawl Fishery, which operates off...

primary threat to lemon sharks, as they are frequently caught as target and bycatch in longline and gillnet fisheries. Throughout much of their range, these...

fishermen for consumption and sale, and there is also a high amount of bycatch from other fisheries, it is not particularly targeted and appears not to...

sport and commercial fisheries, and there is a substantial proportion of bycatch in driftnet fisheries for other species. In June 2018, the New Zealand...

is because the shortfin devil ray is the subject of both targeted and bycatch inshore fisheries. It is vulnerable to over-fishing because of its low...

of death globally in 2019. A pulsed electric field-based shark and ray bycatch mitigation device is reported, SharkGuard. 22 November The International...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

target moth species. These traps often feature modifications to minimize bycatch and ensure minimal disturbance to non-target organisms, demonstrating a...

pups at a time. The common stingaree contributes substantially to the bycatch of commercial trawl and other fisheries within its range, and is also caught...

Dec 2010. "Bycatch - So what's the answer?." WWF Global. N.p., 2009. Web. 9 Dec 2010. <http://www.smartgear.org/smartgear_bycatch/bycatch_[permanent dead...

many marine predators, pilot whales are susceptible to entanglement and bycatch in pelagic fishing gear, such as gill nets, long lines and some trawl fisheries...

seadragon populations at risk. This species is not at present a victim of bycatch or a target of trade in traditional Chinese medicine, two activities which...

or require the rebuilding of fish stocks. There was no prohibition of bycatch when fish and animals were caught unintentionally by fishing gear or nets...

which is synonymous with B. b. gracilis. Garfish are sometimes caught as bycatch, mainly in fixed nets along the coast in shallow waters. If caught with...

handlines and bottom trawls in some parts of its range, it is also caught as a bycatch in shrimp fisheries. The catch is sold fresh and it can be a common species...

Conservation of Nature. The two leading threats to seabirds are accidental bycatch by commercial fishing operations and introduced mammals on their breeding...

commercial fishing is illegal, but accidental bycatch can be used (in Norway, any basking shark caught as bycatch and still alive must be released). As of...

organisations state damage to the sea floor due to bottom trawling and bycatch of species such as New Zealand fur seals, albatrosses, petrels and basking...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

hdl:10023/365. "Chilean Dolphin | Consortium for Wildlife Bycatch Reduction". www.bycatch.org. Retrieved 3 December 2024. "More than 11,000 animals have...

parties are not aware of the conversation having been recorded. Human bycatch Photography and the law Street photography Sousveillance (inverse surveillance)...

anchovies are caught with purse seines, lamparas, trawls and beach seines. Bycatch is thought, on the basis of insufficient data, to be minor. European anchovies...

This also makes males particularly vulnerable to being caught as trawling bycatch. Spawning appears to follow a latitudinal trend, with spawning primarily...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

addition to commercial shark fisheries, dusky sharks are also caught as bycatch on longlines meant for tuna and swordfish (and usually kept for its valuable...

are harvested from stingrays that are caught intentionally, or caught as bycatch. The plates are sold whole or in a powder form. A single kilogram of the...

decline through directly removing these sharks and indirectly through bycatch. The unsustainable harvest causing population decline is shown in the Peruvian...

whale dolphin in its stomach. The dogfish is sometimes taken as accidental bycatch in the orange roughy and Patagonian toothfish fisheries; whether or not...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

regarded as a primary target species within its range, it is caught as bycatch or is targeted when the stocks of other snappers are depleted. In Puerto...

areas overlap with commercial fishing grounds and it is often caught as bycatch which has caused it to be listed as a vulnerable species. Initially thought...

this, humpback groupers are often fed 'trash fish,' which are low-value, bycatch fish species. However, feeding juveniles with copepod nauplii has shown...

Many other fisheries from every ocean also take smooth hammerheads as bycatch, and they are caught in some numbers by recreational anglers. Smooth hammerheads...

Australia and New Zealand. This species is caught commercially by trawling, as bycatch in the prawn fishing industry and by recreational anglers. The maximum...

schooling and abundant species such as tuna. Wahoo are regularly taken as a bycatch in various commercial fisheries, including longline fisheries for tuna...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

been classified as severely depleted. Although it is usually caught as bycatch, it is also caught for food and sport. In June 2018, the New Zealand Department...

rostrums and oil. The main threat facing the dwarf sawfish is being caught as bycatch in gillnets and trawl nets. That this is the cause of declining numbers...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

workshop convened by WPRFMC. WPRFMC strategic goal of reducing seabird bycatch by over 90 percent achieved. 1999 WPRFMC convenes Recreational Fishing...

for ornamental purposes). In Belize, this species is mainly caught as bycatch on hook-and-line intended for groupers and snappers; the fins are sold...

is predatory, taking crustaceans as prey. The species is often taken as bycatch in prawn trawls and occasionally taken by anglers. The fringefin trevally...

species is caught by fisheries, sometimes intentionally but often as a bycatch. IUCN currently lists it as vulnerable. There are currently no conservation...

use echolocation clicks to communicate. Threats to the species include bycatch in gillnets and trawls, disease, genetic issues, and additional anthropogenic...

Bonito have also been caught using pound nets, and amongst other species as bycatch during the traditional fishing practice of Almadraba in addition to the...

persons. Besides whaling and drive hunting, they also face threats from bycatch and marine pollution. The baiji, for example, is considered functionally...

and snails). Their broad diet often results in amphiumas being caught as bycatch by fishermen. They mate from December to June and subsequently nest from...

subject of some fishing activities, being caught recreationally or as bycatch, by hook and line, in fish traps or by trawling across the seabed. Catch...

2000 individuals. In Peruvian waters, Burmeister's porpoise caught as bycatch are primarily used for human consumption. Until the late 1990s, Burmeister's...

fish, amounting to 2–3 percent of the world fisheries supply, are used for the production of surimi and surimi-based products, often unsorted bycatch....

Atlantic; and Japan and Réunion in the Indo-Pacific. It is also captured as bycatch of fisheries targeting the splendid alfonsino, though capture data likely...

and are normally taken as bycatch. For example, they are hardly ever found in fish markets in the United States, only as bycatch, but is prized as an eating...

Commission was aimed mainly at reducing the numbers of juvenile fish taken as bycatch by shrimpers. At least one aquaculture project in New Jersey is attempting...

years long, to produce a litter of 2–15 shark pups. Usually caught as bycatch in commercial fishing, the frilled shark has some economic value as a meat...

used for baitfish or catfish fishing. They may experience mortality as bycatch during recreational and commercial freshwater fishing. In 2021, the U.S...

ecosystem caused by the designated level of exploitation and the issue of bycatch. Among conservation biologists it is widely regarded as dangerous and misused...

the Deepwater Horizon oil spill in 2010. It is sometimes harvested as bycatch by shrimp trawls. Synonyms of Gymnachirus texae at www.fishbase.org. Common...

and is commonly displayed in public aquariums. It is often caught as a bycatch of commercial and recreational fisheries. Many are killed by fishers who...

This can lead to the death of many different marine species known as bycatch. Longliners – fishing vessels rigged for longlining – commonly target swordfish...

species is sometimes caught as bycatch, including in the pelagic trawl fishery. Due to declining numbers, the levels of bycatch are not nearly as high as they...

Fisheries do not typically target escolar, but they are often caught as bycatch by longline fishers and sold for profit. Because of the escolar's oily...

faces minimal conservation threats since the widespread deployment of bycatch-reducing measures on commercial trawlers. It is caught in small numbers...

Philippines to the north coast of Australia. It is sometimes caught as bycatch from prawn trawlers in the Great Barrier Reef, and may be used as bait...

military and non-military contexts. Fisheries are an example of this, where bycatch such as dolphins are called collateral mortality; they are species that...

Antunez; Filho, Mutsuo Asano; Frédou, Flávia Lucena (June 2013). "Fish Bycatch Of The Laulao Catfish Brachyplatystoma vaillantii (Valenciennes, 1840)...

"Underwater hearing in sea ducks with applications for reducing gillnet bycatch through acoustic deterrence". Journal of Experimental Biology. 225 (20)...

exclusion fence between the rain-guard and the edge of the trap to prevent bycatch of vertebrates such as lizards. Traps may also be baited. Lures or baits...

so. Channichthys icefishes, particularly C. rhinoceratus, are caught as bycatch in botton trawls for the mackerel icefish (Champsocephalus gunnari). Fricke...

stains plant material magenta, making the pollen easy to differentiate from bycatch when analysed under a light microscope. The tape is typically analyzed...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Arctic cod is caught as bycatch in bottom trawls used for Greenland halibut and northern and striped shrimp fishing. Arctic cod bycatch reaches about 50 tons...

Early View: 1–6. Lawson, J M., Foster, S.J. and Vincent, A.C.J. 2017. Low bycatch rates add up to big numbers for a genus of small fishes. Fisheries 42(1):...

fishing across the angelshark's range has decimated its population via bycatch – it is now locally extinct or nearly so across most of its northern range...

environment and resources. These activities include introduction of predators, bycatch in the fishing industry, bird hunting, and crayfish pots. Recovery plan...

commercial value, but it occurs as bycatch in fisheries with deep-water benthic trawls. It might also be bycatch in (illegal) Patagonian toothfish fisheries...

commercial or recreational fisheries, though small numbers are caught as bycatch. In Mexico this species is used for food and fishmeal, and in California...

effects of the Bering Sea Pollock trawl fleet on food supply and salmon bycatch. In 2010, the Alaska Department of Fish & Game's Board of Fisheries issued...

come from various sources, including fisheries where they are caught as bycatch or on purpose for use in traditional Chinese medicines. They are also collected...

continues to be caught throughout its range, both intentionally and as bycatch, with varying degrees of monitoring and management. The International Union...

2022. Magrane, Eric; Johnson, Maria (2017). "An art–science approach to bycatch in the Gulf of California shrimp trawling fishery". Cultural Geographies...

many deep water fisheries. In Hawaii it is not targeted and is caught as bycatch, the stock is considered to have been depleted and catch limits have been...

threat to turtles due to hunting, poaching, egg theft, pet trade, and bycatch from fishing. When hatcheries hold hatchling turtles back for tourists...

It is a common species throughout its range. Although it is sometimes a bycatch in fisheries, there are no major threats to the species, and it is therefore...

programs have had slight success, and it is vulnerable to pollution, bycatching and climate change. It is classified as a near-threatened species by the...

(2011) "Challenges in the assessment and management of highly migratory bycatch species: a case study of the Atlantic marlins" In: WA Taylor, AJ Lynch...

harvests." For example, in recent years, barndoor skates have been caught as bycatch in the western Atlantic. Their numbers have severely declined and they...

impact of industrial fishing on other elements of the environment, such as bycatch. These issues are part of marine conservation, and are addressed in fisheries...

its known range, little is known about its biology. Based on reported bycatch rates and population observances, there is no evidence to support concern...

is open seas. It is not well known but is thought to be threatened by bycatch of Patagonian toothfish. Pollom, R.; Dulvy, N.K.; Acuña, E.; Bustamante...

harvested by hook-and-line or fish traps. Also, it is commonly found as bycatch of commercial longline fisheries. However, this fish may contain Ciguatoxin...

distribution changes, and inform conservation policies on threats such as bycatch. In 2022, she was awarded a Darwin Plus grant (DPLUS187) to develop satellite-based...

Korea and Japan. It is subject to heavy fishing, both intentional and bycatch, throughout its range, and its population has declined substantially since...

large numbers of large piscivorous fishes. Sebastes elongatus is caught as bycatch and has little market value because it is a rather small species of rockfish...

commercial gillnets. Spearfishers also take this species, and it is common bycatch in lobster fisheries. Some states in Australia have set bag limits. The...

harmless and easily approached by divers. Southern fiddler rays are taken as bycatch by commercial trawlers and by recreational fishers; the flesh is of good...

contact with humans due to its preference for deep water. This species is a bycatch of gillnet, bottom trawl, and deep-set pelagic longline fisheries (particularly...

Exmouth Gulf. McKay suggests the species could form the basis of a small bycatch fishery, to be exported ungutted. Froese, Rainer; Pauly, Daniel (eds.)...

used because it repels bees, but not V. mandarinia, thus reducing the bycatch. Hornets at the apiary are captured and fed a sugar solution or bee that...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

co-management of fisheries, low value/trash fish (may be referred to as bycatch where not targeted catch) in the region, illegal, unreported and unregulated...

Beluga whale article, Indonesia's catches of sperm whales, bycatch in Japan 1980–2008, and bycatch in Korea 1996–2017. The IWC database includes illegal whaling...

cells in their eyes in favor of rod cells. The snake mackerel is caught as bycatch in the tuna longline fishery and is of minor commercial importance. It...

and Argentina over 64,000 tonnes were landed in 2018. Elsewhere it is a bycatch in shrimp trawl fisheries and is often used as bait. It is regarded as...

Data Deficient in Croatia. In Europe, this species is normally caught as bycatch and such catches may be sold as curios. Some live animals are collected...

birth . M. tenuicaudatus is a common species and is sometimes caught as bycatch in coastal fisheries. Traditionally, such caught fish have mostly been...

longrakered trevally is of minor importance to fisheries and is often taken as bycatch in finfish and prawn trawls, as well as by recreational fishermen. The...

annual commercial and recreational landings, along with dead discards. Bycatch discards would be estimated by estimating the percent of fish that are...

braziliensis is currently facing pressure in the South Atlantic due to bycatch and exploitation. Off the coast of the Brazilian states of São Paulo and...

aplacental viviparous like the rest of its family. This shark is an infrequent bycatch of commercial trawl and longline fisheries, but is not thought to be much...

the main means by which cuttlefish are caught, both intentionally and as bycatch. They are exploited all year long, with the percentage catch typically...

Concern; it is of no economic interest and suffers minimal mortality from bycatch, recreational fishing, and shark nets. British zoologist Albert Günther...

shallow water. This makes it vulnerable, and it is fished, primarily as bycatch, over much of its range. In the northern Mediterranean, catches used to...

purposes. Studies have shown that the amount of the species caught as a bycatch by trawls in New Zealand has increased from 1990 – 2011; however, in Australia...

little commercial value, except for Enoploteuthis chunii which is caught as bycatch in the Japanese fishery for Watasenia scintillans. Many species are diel...

at some villages. The use of large "bag nets" that result in excessive bycatch, as well as the use of illegal poisons by commercial fishermen, have also...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

and coral reef habitats to an inferred depth of 100 m and is taken as bycatch in a range of local fisheries. The species has been assessed as Least Concern...

peronii is focussed around New South Wales, where it is mainly caught as bycatch of trawling for fish and prawns. There is a peak in supply in January and...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

in substantial numbers for human consumption, both intentionally and as bycatch; the pectoral fins or "wings" are sold fresh or filleted and salted. The...

the seafloor, which makes it highly prone to becoming bycatch during commercial fishing. Bycatch, also known as when non-target marine species are caught...

and Pacific through the use of handlines. However, oilfish are common bycatch for fisheries targeting tuna and swordfish, which employ longlines. Despite...

net. Some of it commercially viable fish, but a considerable amount is "bycatch". Much of the commercially worthless fish is thrown away, with incalculable...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Comparative Zoology for description. African Lanternsharks are mainly considered bycatch, with no other greater human uses, though they are sometimes consumed....

hosts for the adult form, and have declined because they are killed as bycatch in fisheries. The thornback ray is listed as "Near Threatened," and the...

may be found in markets sold as a food fish. They are likely taken as bycatch in trawl fisheries and discarded. There are presently no conservation efforts...

aboard commercial fishing vessels to collect a variety of data on catch, bycatch, and fishing operations since the 1970s. Fishery observers are trained...

gear regulations, seasonal fishing, bycatch limitations, minimum size limits, commercial creel limits, and bycatch reduction gear. It is hoped that these...

the bird facing the main threats from climate change and fisheries (as bycatch victims, either caught in trawling nets, or on hooks in the longline fishing...

indirect threats for them are marine pollution, pathogen spillovers, and bycatch. There is not a lot known about the relation between pathogens and pinnipeds...

and terrestrial species, owed in large part to overfishing, unintended bycatch, industrial and residential development, pollution, global heating, and...

conservation efforts are aimed towards habitat protection, reduction of bycatch, rescue and rehabilitation, and reduction of killing. Efforts to protect...

camera traps have proven to be a successful tool for study. BeetleCam Human bycatch Remote camera Smart camera "WWF - Camera Traps - More on Camera Traps"...

IUCN Red List as of 2020 as despite the fact that they are occasionally a bycatch of deep-water trawl fisheries, their depth range keeps them mostly outside...

particular has a major ecological impact because of the high proportion of bycatch, including manta rays, sea turtles, pelagic sharks, billfish and other...

brama), sold by fishmongers as "angelfish" in South Africa (where it is a bycatch of the hake fishery) Angelshark of the family Squatinidae Atlantic spadefish...

(660 ft) and mostly feeds on benthic creatures. This ray is often caught as bycatch by local fisheries. The fish is named in honor of British anatomy and physiology...

prawns try to avoid the Hortle's whipray, but still take it regularly as bycatch. The meat, and possibly also the skin and cartilage, is utilized. This...

smallest length at which it is legal to keep or sell a fish. Bycatch – The term “bycatch” is usually used for fish caught unintentionally in a fishery...

making them subject to anthropogenic threats. They include mortality from bycatch (specifically gillnets); habitat degradation caused by: dams, deforestation...

when females do not leave their burrows. Due to consisting chiefly of bycatch, the fishery of the species is not specifically regulated. Crustaceans...

An 62 18 April 2016 5 km off Owase, Mie, Japan ? TL: 5 m; WT: 1,000 kg Bycatch in seine nets Purchased with a successful bid by a local fishmonger, then...

gastropods and other molluscs, also crustaceans. Peristedion cataphractum is a bycatch of semi industrial and artisanal fisheries with bottom trawl nets in the...

regulators, which has translated into "ghost fishing" and increased numbers of "bycatch" or "bykill". For example, when regulators made the fishing season shorter...

target species for the fisheries along the coast, but may be caught as bycatch and may then be discarded. The population size and trend of this fish are...

overall appearance is similar. The species was first identified in 2022 as bycatch of the splendid alfonsino fishery. The cinder cloudy catshark is genetically...

main threat this species faces is bycatch. The sharks caught by prawn trawl fisheries are sold for meat and fins. Bycatch reduction devices can limit the...

and other fish, habitat loss, increased predation from invasive species, bycatch, and pollution. On Isabela Island, humans may be contributing to the decline...

rock lobster, used to free snagged fishing tackle, killed as incidental bycatch by fishermen using nets, and killed by vehicle strikes on roads and on...

being 1092 m and the minimum 47 m. Sepia hedleyi is frequently caught as bycatch in trawl fisheries in which the quarry is prawn or mixed species. Hedley's...

(33–35 in) and 90–100 cm (35–39 in), respectively. The creek whaler is a minor bycatch of inshore gillnet fisheries operating in northern Australia; the meat...

however they are commonly found across the East China Sea as a result of bycatch. They are a predominantly benthic species, preferring to live in shallow...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

asp (Leuciscus aspius iblioides) — are almost certainly threatened as bycatch or are indirectly impacted by fishing activity and changes to the ecological...

limits, including serial overfishing; excessive or damaging levels of bycatch; the fishing of spawning aggregations without precautionary justification;...

previously for studies relating to the abundance of reef-dwelling fish and as bycatch of shrimp trawling. Similar to other frogfish species, the scarlet frogfish...

severe, even fatal wound with its tail spine. This species is caught as bycatch throughout its range; it is of little economic value and usually discarded...

gear design, such as the addition of turtle excluder devices to reduce bycatch, and limitations on locations where bottom trawling is allowed, such as...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Some sustainable seafood practices include using methods that minimize bycatch, implementing seasonal or area closures to allow fish populations to recover...

of minor importance to fisheries throughout its range, often taken as bycatch in various trawling and hook and line operations. It is generally not distinguished...

maximum known length of 66 cm. Bluespotted trevally are commonly taken as bycatch in prawn fisheries, however are of little commercial value and often discarded...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

obtained in 2023 off Cabo Blanco, Puntarenas. All specimens were obtained as bycatch during fisheries surveys and subsequently preserved for study. Prior to...

people hunt them for food, and dolphins are killed inadvertently as a bycatch of tuna fishing and by getting caught in crab traps. Common bottlenose...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

turtles nest on Sonadia Island. The illegal harvesting of turtle eggs, bycatch in offshore fisheries, and alterations of sand dunes and nesting beaches...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

These skates are not an object of targeted fishery. They are caught as bycatch, and their meat is consumed. The International Union for Conservation of...

export to Asian markets. Longline fishing and illegal nets also cause a bycatch of seals, turtles, sharks, boobies and other marine animals. In December...

bycatch". South African Journal of Science. 94: 179–182. hdl:10520/AJA00382353_9022. Ryan, P. G.; Keith, D. G.; Kroese, M. (2002). "Seabird bycatch by...

and shipowners to deploy Turtle Excluder Devices (TEDs) and other turtle bycatch reduction measures. Friend of the Sea supports the Maldives Whale Shark...

is not a target of fisheries, it is a frequent and generally retained bycatch of bottom trawling. Its entire range coincides with the extent of Taiwan's...

It is one of the only beaked whales that is frequently documented as bycatch in gillnet fisheries, especially in Peru. Marine debris may also be a threat...

suitable shark species for private aquarists. The coral catshark is a minor bycatch of reef fisheries, with minimal commercial value. Increasing fishing activity...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Mid-Atlantic Ridge, and in the Azores water. This species is an uncommon bycatch of bottom trawls, and is listed by the International Union for Conservation...

commercial quarry for fisheries in Kuwait and the species is also taken as bycatch. They are one of the more expensive fish in the Kuwaiti and Iranian markets...

react aggressively even when closely approached. This species is taken as bycatch in gillnets and bottom trawls, and on longlines; most captures occur in...

Daniel G. (2015). "Reducing bycatch in the United States Gulf of Mexico shrimp trawl fishery with an emphasis on red snapper bycatch reduction". Fisheries Research...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

negatively affect its numbers. However, the threats this species faces are bycatch in fisheries, habitat degradation, climate change, and human disturbance...

cownose ray faces extensive fishing pressures, with both targeted and bycatch capture, across the entirety of its range. These pressures originate from...

commercial overfishing of main prey species (sardines and anchovy) and bycatch in commercial and artisanal fisheries are all contributing factors in the...

commercial fishery for salmon shark exists, but they are occasionally caught as bycatch in commercial salmon gillnet fisheries, where they are usually discarded...

usually bycatch and are commonly caught on hook and line and by seine nets, gill nets and shallow water trawling. This species is a bycatch in shrimp...

MBCA's two dolphin species are both under peril from boat-based tourism and bycatch from fisheries. This fragility is highlighted by the low estimated population...

this activity and its impact on porpoise population status is unknown. Bycatch and incidental capture are most likely the greatest anthropogenic threat...

(artisanal linefishery, recreational shore and ski-boat fishery) and occurs as bycatch in gill-net fishery. However, it appears not to be exploited to an extent...

to be a target of fishing. In Queensland, it is sometimes caught as a bycatch but is not fished for intentionally. Its skin has been utilised for decorating...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

directly targeted this skate and elsewhere it is caught incidentally as bycatch. The former species was uplisted to critically endangered on the IUCN Red...

tendril-bearing egg capsules in pairs. Draughtsboard sharks are often taken as bycatch by commercial fisheries, but are probably hardy enough to survive the experience...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

this area have a large economic importance. Catsharks are also a frequent bycatch of nearshore fishing trawlers, which, while not economically significant...

years. The Patagonian toothfish was initially captured in the 1970s as bycatch via trawl fishing vessels around South Georgia Island and off the coast...

net biodiversity gain, if sensitive species are present, even when the bycatch species do not fully overlap the distribution of the fished species. However...

global seafood market is a major threat to the biodiversity of fishes. Bycatch is a direct effect of overfishing and is defined as the unwanted capture...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

This species is of no commercial interest, but is occasionally taken as bycatch in deepwater trawls and traps. Ebert, D.A.; Chiquillo, K.L.C.; Crow, K...

encounters near designated swimming areas, but have been criticized for marine bycatch. These nets are typically lifted every 24 to 48 hours for servicing and...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

Gonatidae. It is an abundant species which is currently caught mainly as a bycatch by fishing boats targeting other quarry. It is an important prey species...

to include the measurement of: catch species composition fishing effort Bycatch (i.e., species unintentionally caught, such as dolphins in tuna fishery)...

3354/meps313215. Ivor Clucas (1997). "A study of the options for utilization of bycatch and discards from marine capture fisheries: 9.1.2 Nephrops". FAO Fisheries...

by evaginations of the gas bladder. It is most often encountered as a bycatch species in pelagic longline fisheries. Iwamoto, T. (2015). "Scombrolabrax...

are over 100 different fishing regulations on paper for reducing this bycatch. Abandoned, lost, or otherwise discarded fishing gear includes netting...

abundance. They are known to aggregate near fishing vessels, preying on bycatch discards. Most of the data on their foraging comes from data collected...

lollipop catshark is of no significance to fisheries. It may be taken as bycatch; though the depths at which it occupies may offer some protection from...

the dwarf black stingray. In Indonesian waters, it contributes to the bycatch of bottom trawl and trammel net fisheries, and is sold for meat. Last,...

public aquariums. It is caught by commercial and recreational fishers as bycatch, and often killed as a pest. The International Union for Conservation of...

because of their song, as many songbirds are, and may simply be captured as bycatch from collecting other species, and because of their attractive plumage...

To minimize the risk of long-term adverse effects on target species, bycatch species, and marine ecosystems, CCAMLR uses several compliance systems...

method for catching chub mackerel is round-haul gear such as purse seines. Bycatch is low because nets are placed directly on schools of fish. Chub mackerel...

Populations The Sunken Billions The End of the Line Bycatch Discards Incidental catch Cetacean bycatch Turtle excluder device Shrimp-Turtle case Conservation...

abundant in the mid-1990s and are typically caught unintentionally as bycatch by industrial ships and used as bait by smaller, artisanal ships. Bivalves...

Ghana among hundreds of other small cetaceans suggests that impact from bycatch is probably negligible. In Ghana, a dwarf sperm whale was taken by fishermen...

nest predation, human impacts such as fisheries bycatch, and habitat degradation. Fisheries bycatch is an ongoing threat to pink-footed shearwaters with...

fund has been used to defend net bans; fight for the implementation of bycatch reduction devices; support pro-fisheries legislation; and battle arbitrary...

They're oviparous and lay one egg at a time. This shark is a potential bycatch of deep water bottom-trawl fisheries operating within its range, but no...

due to its limited distribution, small population size, and threat from bycatch in deep-sea fishing. After the discovery of the species, less than 10 examples...

rocky reefs to depths of at least 72 metres (236 ft). It has been taken as bycatch by shrimp fisheries which suggests it lives over sandy or muddy bottoms...

so humans act as predators. New Zealand smooth skate is often caught as bycatch in the commercial fishing industry targeting hoki. In June 2018 the New...

minor importance to fisheries, it is taken by artisanal fisheries and as bycatch. It is marketed fresh but also used for fishmeal and to make oil. Collette...

One problem with mass-produced halibut hooks is an unacceptable level of bycatch, the unintended catching of unwanted and possibly threatened fish species...

Americas, although it may be taken as bycatch there, but is caught off Africa, as both a target for fisheries and bycatch, to be used for fish oil, fish meal...

century onwards, the population has become increasingly threatened through bycatch mortality in the Southern Ocean longline fishery by the foraging birds...

Central Pacific Fisheries Commission adopted a measure to require bird bycatch mitigation measures south of 30°S. BirdLife International (2018). "Thalassarche...

due to quota restrictions. Discards form part of the bycatch of a fishing operation, although bycatch includes marketable species caught unintentionally...

energetic costs. Blainville's beaked whales are occasionally reported as a bycatch throughout its range. Marine debris has been identified in the stomach...

deep and currently threatened by local fisheries which often take it as bycatch. The maculate panray can be differentiated from its congener, the striped...

50% of analyzed stomach contents. Jonah crabs have long been caught as bycatch in lobster traps. Once, they were considered a nuisance and a pest that...

caught as part of a commercial fishery around the Falkland Islands and is a bycatch in several other fisheries. In the Atlantic Ocean, the graytail skate is...

hakes, Merluccius paradoxus and Merluccius capensis as well as several bycatch species. In South Africa, hake is targeted by four distinct fisheries:...

attain a total length of at least 64 cm. This catshark is a potential bycatch of trawl fisheries operating within its range, but no details are available...

made the judges' least favorite dishes, had to create a dish using the bycatch from their shrimping trip. The loser was immediately eliminated from the...

fishery uses large purse seine nets up to 1 km in length to catch sardines. Bycatch mortalities of the fishery include the common dolphin (Delphinus delphis)...

pollution, and climate change effects. Pipefish are also susceptible to being bycatch in fisheries which harvest other species. Conservation efforts are being...

the Canary Islands. In other parts of its range it is caught and sold as bycatch. Juvenile Sparisoma cretense photographed in Koufonisi, Greece Immature...

to include the measurement of: catch species composition fishing effort bycatch (i.e., species other than the targeted one incidentally captured by the...

season. Lophius piscatorius has historically been considered valuable bycatch in Atlantic fisheries. Captures increased significantly following the development...

the IUCN. Besides the threat from whalers, they also face threats from bycatch and marine pollution. The meat, blubber and baleen of whales have traditionally...

November 24, 2021. Fisheries, NOAA (August 12, 2021). "Report on IUU Fishing, Bycatch and Shark Catch | NOAA Fisheries". NOAA. Archived from the original on...

life cycle. Potential threats may include habitat loss and degradation, bycatch, and the impacts of climate change, particularly within its native range...

fisheries, it is of only minor importance. This species is usually taken as bycatch in bottom trawls; the pectoral fins are sold as "skate wings" and are eaten...

from the original on 2007-06-21. Retrieved 2005-10-01. European Cetacean Bycatch Campaign Archived 2005-04-27 at the Wayback Machine  — a page on military...

fisheries off Kuwait are known to take the smoothtooth blacktip shark as bycatch, while intensive Yemeni and Somalian shark fisheries operate in the Gulf...

shark species, he demonstrated that large numbers of sharks caught as bycatch in commercial longline fishing gear were dying shortly after live release...

reproduce. Fishing with large trawl nets poses threats to a high percentage of bycatch as well as potential impacts to the carbon cycling processes. Additionally...

be fatal. Freshwater stingrays are often caught by hook-and-line and as bycatch in trawls. In the Amazon, Paratrygon and certain Potamotrygon are the most...

targeted in some fisheries, whereas in others it is retained as a valuable bycatch. France and Spain are the largest markets for megrim, and before Brexit...

total length of 8–12 centimetres (3.1–4.7 in). Thorny skate are taken as bycatch in some fisheries. It is a U.S. National Marine Fisheries Service species...

their breeding grounds, light pollution, marine fisheries particularly bycatch, pollution, exploitation and climate change are the main threats measures...

species from off the southeast coast of South America. The specimens were bycatch from the Falkland Islands fishery. Muusoctopus bizikovi is a small, dark...

small subsistence fisheries, while others are little more than occasional bycatch. Smelt-whitings are caught by a number of methods, including trawling,...

of spears where it is then sold fresh in local fish markets. It is also bycatch and is a game fish, although it is not known how much these impact the...

dolphin drive hunting. Besides drive hunting, they also face threats from bycatch, habitat loss, and marine pollution. Dolphins have been depicted in various...

continental shelf from inshore waters to a depth of about 100 m and is taken as bycatch in a variety of coastal and offshore fisheries. It has been assessed globally...

thought to feed mostly on other fishes. The mid flathead is mostly taken as bycatch by trawlers. Froese, Rainer; Pauly, Daniel (eds.). "Ambiserrula jugosa"...