What is a Fish?

A fish is a cold-blooded vertebrate with gills and fins that always lives and breathes in water.

Fish were the first animals to have backbones. Animals with backbones are called vertebrates.

Animals are classified into groups: Mammals, Reptiles, Amphibians, Birds and Fish.

Fish use their gills to breathe under water. Their gills are located on the side of their head.

You can tell the age of a scaly fish by counting the number of rings on their scales.

Fish camouflage themselves in their surroundings to protect themselves from predators

A Fish

What is a Fish?