Something fishy is going on. A pet store goldfish went from “cute to brute” after it was found in a Pennsylvania waterway – with experts now warning against dumping unwanted fish into ponds ...

Deep-sea fish thrive in extreme pressure, darkness, and pollution, revealing new survival mechanisms and threats.

look like a goldfish in comparison. Bizarrely, things have gotten wild over a resurfaced Discovery Channel documentary that's got everyone wondering if the ocean's biggest-ever chomper might still ...

The black seadevil anglerfish died shortly after the footage was taken. In what may be the world's first-ever recorded sighting, a black seadevil anglerfish - known for living thousands of feet ...