The majority of fish live in shallow parts of the se

Fish are varied but they have certain common feature

Fins are special organs which help the fish to swim in wate

They can help the fish to stea

and steer itself as it moves through the wate

The fish breathes by swallowing wat

and passing the water over the gills which are on the side of its hea

These openings absorb the oxygen form the water

and help them to live in wate