Fishes are aquatic animals, cold-blooded animal. Their body is covered by scales and has two sets of paired or unpaired fins, one or two dorsal fins, an anal fin, and tail fin; has jaws. Fish has a streamlined body that allows it to swim rapidly; extracts oxygen from the water using gills. They are found abundantly in sea or fresh water. Fishes are oviparous, they shed their eggs and the eggs are fertilized outside of the female’s body by the male squirting milt onto or around them. Fish range in size from the 16 m (51 ft) whale shark to an 8 mm (just over ¼ of an inch) long stout infant fish.
