The hidden creatures were found in a densely populated region known for its successful—and controversial—conservation tactics ...

Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and ...

A rainfrog, an amphibious mouse, and a “blob-headed” fish are only some of the 27 new species discovered deep Peru’s Amazon ...

Scientists conducting a Conservation International survey of Peru's Alto Mayo landscape were surprised to discovery such ...

A CPW aquatic biologist displays a Hayden Creek cutthroat trout in a net during a July 20, 2016, rescue of fish during the ...

Years after a wildfire threatened to wipe out a rare, genetically unique species in a tiny Colorado creek, it was found ...

The world’s your oyster, so they say... Let’s take a look at a range of types of saltwater aquarium fish, both common and rare, affordable and budget-busting.

Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and ...

Arizona is home to unique and rare creatures including jaguars, ocelots and condors. However, 48 species are endangered or ...

Researchers on an expedition in Peru have discovered 27 animal species new to science – among them a “blob-headed fish” and a ...

Florida’s very rare pillar coral is being added to the endangered species list. The U.S. Fish and Wildlife Service announced ...