There are more than 20,000 kinds of fish. Which fish swims the fastest? Where are seahorses from? Read on to find out!
Who is the fastest? It is the sailfish (旗鱼). Its bill (嘴) is long and thin. Its fin is like a big sail (帆). These things help it swim fast. It can swim 100 km an hour. That is as fast as a car on the highway.
Seahorse is a fish! And it is a very different kind of fish. Father seahorses give birth to (生产) baby seahorses. It has a pouch (育儿袋), and the mother seahorse lays eggs in it. The pouch can carry 2,000 babies at a time.
Do you know flat (扁平的) fish? Its eyes are on one side of its head. It is a flounder (比目鱼). When flounders are newborns, their two eyes are on different sides of their head. After about 20 days, one eye moves to the other side.
