Animals that live in water are called aquatic animals. Fishs, crabs, seals and seahorses are some of the example of aquatic animals. Fish have fins to swim with. Dolphins have oar-like flippers to swim in water.
Animals like fish, crabs and prawns which live inside water have gills to breathe oxygen dissolved in water. Some aquatic animals like whales and dolphins breathe through lungs. So, they come to the surface of water very often to breathe air. Water birds like ducks and swans have webbed feet which help them to paddle in water.
Animals like fish, crabs and prawns which live inside water have gills to breathe oxygen dissolved in water. Some aquatic animals like whales and dolphins breathe through lungs. So, they come to the surface of water very often to breathe air. Water birds like ducks and swans have webbed feet which help them to paddle in water.
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