A giant South American river turtle (Podocnemis expansa).
An endangered Asian bonytongue (Scleropages formosus).
A critically endangered (IUCN) and federally endangered giant pangasius catfish (Pangasius sanitwongsei).
An albino streamside salamander (Ambystoma barbouri). (IUCN: Near Threatened)
A marsupial frog (Gastrotheca cuencana) at a captive breeding facility in Ecuador. Formerly known as Azuay marsupial frog (Gastrotheca litonedis).
Atelopus spumarius at a captive breeding facility in Ecuador. Though the species is listed as Vulnerable, almost all Atelopus species still in existence are in serious trouble if not extinct.
A Japanese giant salamander (Andrias japonicus).
An Italian newt (Triturus italicus) at the Cincinnati Zoo.
An endangered (IUCN) and federally threatened Red Hills salamander (Phaeognathus hubrichti).
A mountain dusky salamander (Desmognathus ochrophaeus).
A northern ravine salamander (Plethodon electromorphus).
A Rich Mountain salamander (Plethodon ouachitae). (IUCN: Near Threatened)
A juvenile westslope cutthroat trout (Oncorhynchus clarki lewisi). The species was denied listing under the ESA in 2003.
Swimming in Leech Lake near Walker, Minnesota.
A woman at Trader’s Bay Lodge in Walker, Minnesota.
A northern pike (Esox lucius) caught by Joel Sartore.
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