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Moon jellyfish (Aurelia aurita) from the Toledo Zoo, Toldeo, Ohio.

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Crossed-fork back golden-line fish (Sinocyclocheilus furcodorsalis) at the Berlin Aquarium.

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African sharptooth catfish (Clarias gariepinus) at Davao Crocodile Park. This species can ‘walk’ considerable distances to get to better water sources when their body of water dries up.

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Critically Endangered Bandula barb (Pethia bandula) at the Plzen Zoo. This is the Photo Ark’s 9,000th species!

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Critically endangered Devils Hole pupfish (Cyprinodon diabolis) at Ash Meadows National Wildlife Refuge.

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Critically endangered Devils Hole pupfish (Cyprinodon diabolis) at Ash Meadows National Wildlife Refuge.

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Critically endangered Devils Hole pupfish (Cyprinodon diabolis) at Ash Meadows National Wildlife Refuge.

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Critically endangered Devils Hole pupfish (Cyprinodon diabolis) at Ash Meadows National Wildlife Refuge.

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Ash Meadows Amargosa pupfish (Cyprinodon nevadensis mionectes) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Ash Meadows Amargosa pupfish (Cyprinodon nevadensis mionectes) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Ash Meadows Amargosa pupfish (Cyprinodon nevadensis mionectes) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Ash Meadows Amargosa pupfish (Cyprinodon nevadensis mionectes) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Ash Meadows Amargosa pupfish (Cyprinodon nevadensis mionectes) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Ash Meadows Amargosa pupfish (Cyprinodon nevadensis mionectes) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Warm Springs pupfish (Cyprinodon nevadensis pectoralis) at Ash Meadows National Wildlife Refuge near Pahrump, NV. This species is listed as vulnerable on IUCN’s red list.

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Warm Springs pupfish (Cyprinodon nevadensis pectoralis) at Ash Meadows National Wildlife Refuge near Pahrump, NV. This species is listed as vulnerable on IUCN’s red list.

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Warm Springs pupfish (Cyprinodon nevadensis pectoralis) at Ash Meadows National Wildlife Refuge near Pahrump, NV. This species is listed as vulnerable on IUCN’s red list.

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Warm Springs pupfish (Cyprinodon nevadensis pectoralis) at Ash Meadows National Wildlife Refuge near Pahrump, NV. This species is listed as vulnerable on IUCN’s red list.

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Warm Springs pupfish (Cyprinodon nevadensis pectoralis) at Ash Meadows National Wildlife Refuge near Pahrump, NV. This species is listed as vulnerable on IUCN’s red list.

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Federally endangered Oasis Valley speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge in NV.

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Federally endangered Oasis Valley speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge in NV.

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Federally endangered Oasis Valley speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge in NV.

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Federally endangered Oasis Valley speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge in NV.

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Ash Meadows speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Ash Meadows speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Ash Meadows speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Ash Meadows speckled dace (Rhinichthys osculus nevadensis) at Ash Meadows National Wildlife Refuge near Pahrump, NV.

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Mexican blindcat (Prietella phreatophila) at the Conservation Department of the San Antonio Zoo.
This species is endangered on the IUCN Red List as well as on the US Federal list.

This stygobitic catfish is known from about a dozen sites in Coahuila, Mexico and is listed as endangered in both Mexico and the United States. A single population (represented by this individual) was recently discovered in Val Verde County, Texas, after two decades of searching by cave biologists. The San Antonio Zoo Department of Conservation and Research (SAZ DOCR) maintains a captive colony of this species, including two individuals that have been in captivity for over twenty years. Members of the Blindcat Working Group (a multinational team of researchers) are exploring the geographic distribution and population genetics of this species using eDNA, Next Generation sequencing, and boots-on-the-ground field efforts.

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Mexican blindcat (Prietella phreatophila) at the Conservation Department of the San Antonio Zoo.
This species is endangered on the IUCN Red List as well as on the US Federal list.

This stygobitic catfish is known from about a dozen sites in Coahuila, Mexico and is listed as endangered in both Mexico and the United States. A single population (represented by this individual) was recently discovered in Val Verde County, Texas, after two decades of searching by cave biologists. The San Antonio Zoo Department of Conservation and Research (SAZ DOCR) maintains a captive colony of this species, including two individuals that have been in captivity for over twenty years. Members of the Blindcat Working Group (a multinational team of researchers) are exploring the geographic distribution and population genetics of this species using eDNA, Next Generation sequencing, and boots-on-the-ground field efforts.

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A degeni cichlid (Haplochromis degeni) at the San Antonio Zoo.

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A degeni cichlid (Haplochromis degeni) at the San Antonio Zoo.

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A babyeater cichlid, Lipochromis melanopterus, at the San Antonio Zoo.

Many cichlids like this are mouth brooders. This species is famous for going up to the mouth brooding mother of another species, then scaring that mother into spitting out her babies so the babyeater can consume them.

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A babyeater cichlid (Lipochromis melanopterus) at the San Antonio Zoo.

Many cichlids like this are mouth brooders. This species is famous for going up to the mouth brooding mother of another species, then scaring that mother into spitting out her babies so the babyeater can consume them.

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A babyeater cichlid (Lipochromis melanopterus) at the San Antonio Zoo.

Many cichlids like this are mouth brooders. This species is famous for going up to the mouth brooding mother of another species, then scaring that mother into spitting out her babies so the babyeater can consume them.

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Pygmy catfish (Corydoras pygmaeus) from a private collection.

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Pygmy catfish (Corydoras pygmaeus) from a private collection.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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