The old idiom of being a fish out of water is never a positive thing. Instead, it paints a picture of being uncomfortable or awkward. This is how most fish feel when they are removed from their ...

Study suggests adapting to life on land wasn't the biggest challenge facing fish coming ashore millions of years ago.

Trails left in ancient rock have been attributed to fish getting the hang of the then-newfangled concept of crawling. If correct, this would push back the conquest of the land by vertebrates by 10 ...

If you see it, kill it. An invasive fish species is harming the Mississippi ecosystem, and you can help stop it. Northern snakeheads (channa argus) are native to East Asia. They've been confirmed in ...