Do you know what parrots are？They are birds.They are usually bright，colourful and nice，and of course some can talk.Now，look at these fish.They are also bright，colourful and nice.People call them parrot fish.Of course they are different from parrots.They can not talk.Parrot fish live in warm sea water near coral（珊瑚）.They help to clean the coral.They eat very small plants on the coral.This helps the coral to grow.There are about 60 kinds of parrot fish in the world.They can change colours when they grow.Males（雄性） and females（雌性） have different colours.
