Ovoviviparity Cyprinodontiformes Cordylus beraduccii Proscylliidae Livebearers Angolan girdled lizard Cuban ribbontail catshark Cape grass lizard African ribbontail catshark Sharpfin houndshark Transvaal grass lizard Pregnancy in fish Squalus grahami Schizopilia fissicollis H. formosa Squalus notocaudatus Pygmy lanternshark Thickly snouted pipefish Broadbanded lanternshark Spotted pipefish Squalus altipinnis Corythoichthys ocellatus Ruhbergia Cloeon dipterum Starspotted smooth-hound Caribbean lanternshark Cyrano spurdog Azores dogfish Western angelshark Baeothele Australian angelshark Anoplokaros Heteroclinus perspicillatus Hippichthys albomaculosus Etmopte…

erus dislineatus Pink lanternshark Anarchopterus criniger Bryx analicarens Poeciliinae Austroperipatus Choeroichthys suillus Darkflank pipefish Birdbeak dogfish Doryichthys martensii Campichthys galei Syngnathus macrobrachium Squalus albifrons Wambalana Doryichthys deokhatoides Sicklefin houndshark Narrow-snouted pipefish Vescerro Cosmocampus investigatoris Lathropatus Cobbler wobbegong Whitefin topeshark Thorny lanternshark Giffordius Dunckerocampus multiannulatus Jagora West Indian lanternshark Dwarf

smooth-hound Tachymenoides affinis Tetrameraden Mobula eregoodootenkee Bryx randalli Trachylepis boehmei Bryx veleronis Syngnathus dawsoni Acentronura gracilissima Smooth-scaled death adder Gulella salpinx Bryx dunckeri Whitespotted smooth-hound Cosmocampus profundus Tailspot lanternshark Short-tail lanternshark Barisia levicollis High-body pipefish Japanese velvet dogfish Rhinobatos annandalei Bhanotia fasciolata Narrownose smooth-hound Doryichthys heterosoma Bhanotia pauciradiata Sailback houndshark Acanthokara Choeroichthys cinctus Corythoichthys nigripectus Scribbled pipefish Euperipatoides Campichthys tricarinatus Halicampus zavorensis Corythoichthys insularis Choeroichthys smithi Combtoothed lanter