The splash is almost silent as Rio Grande silvery minnows dart to the surface of green water, devouring flakes of fish food before they disappear again. "It's a nondescript fish, but it's a special ...

Scientists analyzed the DNA of commercially available shark meat. The results were alarming for conservation.

There are plenty of fish in the sea, but how can you count stock levels or protect endangered fish without seeing or catching ...

The blind cavefish aren’t alone in these underground systems. The darkness also conceals crustaceans and other macroinvertebrates that the cavefish can prey on. These other creatures will prey on ...

On April 17, the U.S. Fish and Wildlife Service (USFWS) proposed rescinding the definition of “harm” in the Endangered ...

Three groups, including the Zoo, have received an award for their collaborative work to save the critically endangered Poweshiek skipperling butterfly.

Colorado, along with 15 other states, is poised to sue the federal government for ignoring endangered species regulations in ...

Last month, the lesser prairie chicken lost its federal protections after a yearslong legal battle between conservationists ...

How can we save wild salmon from extinction, and at the same time ensure farmed salmon a life free from lice and other ...

Mercury contamination comes mainly from illegal gold mining and forest clearing that wash mercury that naturally occurs in ...

It’s estimated the earth has anywhere from 5.3 million to 1 trillion different species. The International Union for Conservation of Nature discovered just over 31,000 of these species are threatened ...

Streamflows on the Western Slope have plummeted over the last month, sending water managers scrambling to boost flows for endangered fish and ranking it among the driest years in recent history.