Tiny fish spotted in a single stream could go extinct just

The extinction of endangered vaquitas would be a lesson for

14 Ocean Animals Have Gone Extinct, and Others Could Soon Disappear

A kung-fu kick led researchers to the world's oldest complete fish

Is there really no such thing as a fish? - Discover Wildlife, fish

10 Fish That Have Recently Become Extinct

Is there really no such thing as a fish? - Discover Wildlife, fish

The little fish that could - High Country News

Is there really no such thing as a fish? - Discover Wildlife, fish

Endangered Devils Hole pupfish is one of the most inbred animals

Facing extinction, Rice's whales aren't getting protections soon

14 Ocean Animals Have Gone Extinct, and Others Could Soon Disappear