Elefantfisk

Elefantfisk
Status i världen: Livskraftig (lc)[1]
Systematik
DomänEukaryoter
Eukaryota
RikeDjur
Animalia
StamRyggsträngsdjur
Chordata
UnderstamRyggradsdjur
Vertebrata
ÖverklassBenfiskar
Osteichthyes
KlassStrålfeniga fiskar
Actinopterygii
OrdningOsteoglossiformes
FamiljMormyridae
SläkteGnathonemus
ArtElefantfisk
Gnathonemus petersii
Vetenskapligt namn
§ Gnathonemus petersii
Auktor(Günther, 1862)
Synonymer
Gnathonemus histrio Fowler, 1936[2]
Gnathonemus brevicaudatus Pellegrin, 1919[3]
Gnathonemus petersi (Günther, 1862)[4]
Mormyrus petersii Günther, 1862[5]
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Elefantfisk (Gnathonemus petersii)[2] är en fiskart som först beskrevs av Günther 1862. Elefantfisk ingår i släktet Gnathonemus och familjen Mormyridae.[6][7] Inga underarter finns listade i Catalogue of Life.[6]

Arten förekommer med flera från varandra skilda populationer i Kongobäckenet och i angränsande områden från södra Nigeria till Sydsudan samt söderut till Angola och norra Zambia. Individerna vistas vanligen nära vattendragens botten.[1]

Elefantfisken har ett elektriskt organ som den troligtvis använder för att hejda artfränder. Kanske hittas även födan med hjälp av organet. Fisken har maskar och vattenlevande insekter som föda. Djuret har väl utvecklad hörsel. Det kan uppfatta ljud mellan 100 och 2500 Hz.[1]

För elefantfiskens bestånd är inga hot kända. IUCN kategoriserar arten globalt som livskraftig.[1]

Källor

  1. ^ [a b c d] Awaïss, A., Lalèyè, P. & Moelants, T. 2010 Gnathonemus petersii . Från: IUCN 2010. IUCN Red List of Threatened Species. Version 2018.1. Läst 9 augusti 2019.
  2. ^ [a b] Gosse, J.-P. (1984) Mormyridae., p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1.
  3. ^ Bigorne, R. (1990) Mormyridae., p. 122-184. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux saumâtres d'Afrique de l'Ouest. tome 1. Faune Trop. 28. Musée Royal de l'Afrique Centrale, Tervuren, and ORSTOM, Paris.
  4. ^ Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott (1991) World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada., Am. Fish. Soc. Spec. Publ. (21):243 p.
  5. ^ Jackson, P.B.N. (1961) The fishes of Northern Rhodesia. A check list of indigenous species., The Government Printer, Lusaka. 140 p.
  6. ^ [a b] Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (15 december 2011). ”Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. http://www.catalogueoflife.org/annual-checklist/2011/search/all/key/gnathonemus+petersii/match/1. Läst 24 september 2012. 
  7. ^ FishBase. Froese R. & Pauly D. (eds), 2011-06-14

Externa länkar


Katalogdata
​​​​​ • EoL: 994811​ • GBIF: 2402409​​​ • Inaturalist: 101561​ • ITIS: 161918​ • IUCN: 181553​ • NCBI: 42645​​ • WoRMS: 1015207​ • FishBase: 2085​​​​​​​​​​​​​​​​​​​​​​​​​​​

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