A Japanese giant salamander (Andrias japonicus).
Gulf menhaden fish, Brevoortia patronus.
Mexican tetra (Astyanax mexicanus). This species is listed as threatened by the state of New Mexico, but is not federally listed.
Vulnerable (IUCN) and federally endangered Roanoke logperch (Percina rex). Shown is an adult with juveniles.
Tourists crawl through a tunnel at the red bellied piranha tank in the Houston Zoo.
Aquariums containing many rare and endangered fish species at Conservation Fisheries, a native stream fish breeding center.
Portrait of co-directors of Conservation Fisheries, a native stream fish breeding center.
Rana Mono Amazonica tadpole (Hylomantis hulli), collected near Pilalo, Ecuador.
A slender-legged treefrog (Osteocephalus sp.) tadpole collected near Pilalo, Ecuador.
An upper Amazon treefrog (Dendropsophus bifurcus) tadpole collected near Pilalo, Ecuador.
A juvenile Shreve’s Sarayacu treefrog (Dendropsophus sarayacuensis) collected near Pilalo, Ecuador.
A giant glass frog (Centrolene sp.) tadpole collected near Pilalo, Ecuador.
A tadpole (species unknown) collected near Pilalo, Ecuador.
An endangered San Lucas marsupial frog (Gastrotheca pseustes) tadpole collected near Pilalo, Ecuador.
A vulnerable Pebas stubfoot toad (Atelopus spumarius) tadpole collected near Pilalo, Ecuador.
Slackwater darters (Etheostoma boschungi) at the Conservation Fisheries, Knoxville, Tennessee. (IUCN: Endangered, US: Threatened)
A redfish (Sciaenops ocellatus).
A flathead mullet (Mugil cephalus).
A Quitobaquito pupfish (Cyprinodon macularis eremus) at Organ Pipe National Park, Arizona. (US: Endangered)
A vulnerable (IUCN) and federally endangered Texas blind salamander (Eurycea rathbuni) at the Detroit Zoo.
Desert pupfish (Cyprinodon macularius) at the North Carolina Zoo. (US: Endangered)
Ouachita madtoms (Noturus lachneri) at Conservation Fisheries, Knoxville, Tennessee. (IUCN: Endangered)
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