Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, ...

A striking, silver-colored fish commonly kept as an aquarium pet has been hiding in plain sight in the Philippines' largest ...

The code written on the tag revealed that the trout was 39 years old, marking it the Great Lakes Mass Marking Program’s ...

Cod used to be giants. With their impressive size—over a meter in length and weighing up to 40 kilograms—and abundance, they, ...

Ecologists celebrated the release of thousands of palm-sized lake sturgeon into the Maumee River in 2018, kicking off an ...

EVERETT — Anna Kagley was working at a federal lab in Seattle in 1989 when the Exxon Valdez tanker spilled some 11 million ...

Northern Snakeheads are spreading in Missouri waterways, posing a threat to local ecosystems. Learn about their unique ...