Did you know?
Fish live and breathe in water, have slimy bodies and are cold-blooded. There are many kinds of fish, some have bones, but others only cartilage.
Angelfish are brightly-coloured, flattened fish. They live in coral reefs in tropical seas, and are plant-eaters.
Eels have a long, snake-like body. Some of them can make electricity. Many eels migrate over long distances to breed or eat.
Goldfish have orange scales and long, flowing fins. They were domesticated over a thousand years ago by the Chinese.
Rays are very flat fish closely related to sharks. The biggest ray is the Manta Ray which is over 7 m long and weighs many tons.
Seahorses can change their colour to hide themselves. The male seahorse carries the eggs in his pouch until they hatch.
Not all sharks are meat-eaters and dangerous. The Whale Shark is the largest fish. It is up to 14 m long and weighs up to 15 tons.