Researchers studying rockhead poachers from Deadman Bay think they may have solved the mystery of the fish's odd bowl-shaped head.

Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

Biologist and underwater photographer Joseph Ricketts captured charming footage of the river chub, a small freshwater fish with big mating habits. When temperatures reach 65 degrees in spring, male ...

You can’t deny that some fascinating creatures lurk in our oceans, and some can live in home aquariums. Aquarium oddities are called “oddball fish” among the aquatic hobbyist community, and they ...

At first glance, the blobfish, also known as a flathead sculpin (Psychrolutes phrictus), looks like a pinkish, gelatinous blob with a droopy mouth and a sagging nose. It looks even worse when it is ...

The spotted ratfish is a two-foot-long fish with a big head and a long, skinny tail that lives in the northeastern Pacific Ocean. It belongs to a group of fish called chimaeras that are closely ...