Перевод whales and dolphins must come to the surface of the sea to breathe the blue whale can stay under water for fifty minutes the blue whale is the largest creature on earth much larger than any of the dinisaurs the great white shark is the most dangerous shark. it can swin very guickly and it has got sharp teeth and very strong jaws. the biggest sharks are eighteen metres long and weigh forty- tons fisherman can easily catch some kinds of fish like herrings, because they travel together in large numbers octopuses live in holes in the rocks or in wrecks on the bed of the sea ,переведите