Fish

Fish are cold blooded aquatic creatures, that are covered with thick scales. They have several pairs of fins. Like all aquatic creatures instead of lungs they have gills to help them breath. Most fish eat plants and algae but some, such as sharks are carnivorous. Fish can live in mountain rivers (White cloud mountain minnows.) or in the deepest depths of the sea (gulpers and anglerfish)Fish live all over the world. They can live in places such as Wales, America, Spain, Greece and the Caribbean. It depends what kind of water temperature, some species of fish live in cold water these are called fresh water fish some fishes live in hot water these are called tropical fish.

Petting industry
A lot of people have fish for pets. A lot of people keep : Goldfish, minnows, Carp. Fish kept as pets can either live in tanks or ponds. These tanks/ponds have to be kept to the temperature the fish need.