Like all living beings fish too need oxygen to survive. They extract oxygen present in the water using their gills. But there are some fish that can survive without oxygen ...

After all, saltwater aquariums aren’t cheap, with some fish costing hundreds of dollars. Some advice? Start your journey into marine aquarium-keeping with some hardy and (for lack of a better ...

Tiny endangered pupfish have returned to Ayer Lake at the Boyce Thompson Arboretum after the lake was drained for dam repairs.

The fish were moved out of the lake as crews worked on the dam that creates the lake. Desert pupfish are hardy swimmers, but are endangered because of habitat loss and the threat of non-native fish.