Reef fish in different oceans often develop similar color patterns because evolution explores the same set of biological ...

If you ever travel to the Maldives, you might be able to see a rainbow without any rain. Meet the newly discovered rainbow-colored fish named the rose-veiled fairy wrasse in the Maldives' "twilight ...

Certain small fish, like pearlfish, have evolved a bizarre survival strategy by taking refuge inside sea cucumbers. These fish enter through the anus, finding protection from predators within the ...

A saltwater aquarium is an exotic and striking addition to the home. But more than a striking piece of furniture, it’s a living habitat that is both enthralling and engaging thanks to the vibrant ...

SAN DIEGO (FOX 5/KUSI) — Researchers have discovered a new species of tropical fish during an expedition to remote islands off the Pacific coast of Mexico. Named the Halichoeres sanchezi, or the ...

Reaching over 30 feet long, the mysterious giant oarfish is the real-life "sea serpent" behind centuries of myths and legends ...