Imagine looking into a mirror and seeing a distant aquatic ancestor staring back at you. It sounds unbelievable, almost ...

Invasive fish species is known for breathing on land, 'walking' to new water. It harms nature in Mississippi; kill it on ...

Their back fins, called the caudal fin, are mostly turquoise, but the fish have sightly different colored bands, per the study. The researchers argued the Locust Fork darter is endangered ...

These fish aren't harmful to humans ... On snakeheads, the fin is almost as long as the dorsal (back) fin. According to the Great Lakes Aquatic Indigenous Species Information System, they also ...