The problem can have detrimental impacts to the food chain. Scientists raise red flag after making disturbing discovery while ...

These are the prettiest freshwater fish, from vibrant brook trout and pumpkinseed sunfish to majestic lake sturgeon. Check out how these species made our list!

Brilliantly” colored fish caught in streams in Alabama have been identified as two new species — but they’re at the “highest risk of extinction,” researchers said. The new fish, the Gurley darter and ...