Fascinating fish

Introduction
The underwater world is full of strange surprises:
• Thw Arawana lives in the flooded amazon rainforest it can jump up to 2 meters out of the water to feed on small birds or bats in the trees above.
• The African lungfish lives in mud at the bottom of dried-out swamps. It burrows into the ground and covers itself mucus to keep moist.
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• Dolphins, whales and porpoises talk to each other with clicking and whistling noises.
• once the Female emperor penguins has laid an egg, the male keeps it warm by balancing it on his feet under a flap of skin.