The general knowledge about fish is that water is their natural habitat, and they cannot survive without it. However, many unique fish species can survive for certain periods without water. Contents1.

Like all living beings fish too need oxygen to survive. They extract oxygen present in the water using their gills. But there ...

Other examples of freshwater fish include tilapia and walking catfish. McIntyre recently conducted a global analysis of riverine fisheries—and the threats they face—and determined there is an ...

KUALA LUMPUR: The local freshwater walking catfish or keli kayu, a favourite among Malaysians, may soon be a thing of the past if nothing is done to conserve the fish. Malaysian Zoological Society ...