Why are there so many of species of coral reef fish? According to a new study, it’s because about 50 million years ago, some ...

For the first time, a mackerel tuna – also known variously as “kawakawa” or “little tuna” and long considered nearly ...

New York’s 2026 walleye season opens May 1 with cold, high-water conditions expected to keep fish in creeks and shallow zones longer than usual. Anglers are advised to use slower bait presentations to ...

Combined with rising temperatures, chemical pollutants are obliterating animals’ chances of successfully reproducing.

The University of Cincinnati College of Medicine is now home to a new zebrafish research facility. Researchers will use ...

CHEYENNE — After a winter of record-breaking low precipitation and unseasonably high temperatures, the Wyoming Game and Fish ...

The illegal drug’s main byproduct, benzoylecgonine, caused more robust effects than cocaine itself. Wastewater treatment ...

It’s undisputedly the oldest river on the continent, according to the NPCA, and arguably one of the oldest globally. There ...

Scientists in Sweden found in a recent study that cocaine and its metabolite make Atlantic salmon swim faster and farther.

Scientists found opioids and antidepressants accumulating in freshwater fish, raising concerns about wastewater pollution.

Team overcomes key artificial breeding challenge by simulating conditions found in the depths of the Pacific Ocean's Mariana Trench Researchers in China have replicated the epic journey of one of the ...

Aquarists in Chicago are celebrating the birth of a tiny, colorful fish that is believed to be the first of its kind born and raised in captivity. The Shedd Aquarium recently welcomed a baby warty ...