the world's rarest fish

Blue electric 1-inch individuals were stuck in limestone caves that were sunk in the desert of Nevadan since the Ice Age. In 2013, their number was only 35.

A group of divers from the Marine and Antarctic Research Institute (IMAS) discovered the second red-handed population off Tasmania after seeing an individual wandering the seabed.

Fishermen have caught a megamouth shark at the coast of Japan. This is the 58th child ever found in the world.

This small green fish is a unique species. They can live in harsh environments that are incompatible with fish.