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fish have been on earth for more than 450 million years ago. they appeared before the dinosaurs. there are about 40 species of flying fish. fish in underwater and jumps up to actively do something by waving its tail.large lateral fins of fish allows them to fly over the water to 400 meters. it's about flying fish use to escape from predators. flying fish diet consists mostly of small crustaceans and plankton.some fish swim backwards.
"lurking over the bottom in search of food. this help them special electric sensors. when the fish swims, she emits a weak electrical impulses by movement of muscles.through this thing can catch fish, stingrays, which burrow in the sand.
currently classified about 25 000 fish. according to the scientists, approximately 15000 remains to be explored. species diversity of fish strikes.for example, if take all kinds of mammals, reptiles, birds, and amphibians, it is still less than the number of species of fish. most fish, whale shark, with a maximum of 20 meters and a weight of 34 tonnes.the giant eats krill and plankton. like all sharks, a whale shark consists entirely of cartilage.
how fish hanging out in the water motionless? the fish have the air bubble.by regulating the amount of air in it, the fish can create zero buoyancy and hanging in the water column. but not all the fish are air bubble. for example, the sharks to be afloat should always swim.or go to bed to rest at the bottom. read on and find out more interesting facts on 100Facts.ru
some fish skeleton consists entirely of cartilage, such as sharks.
fish feel pain, like people, animals, and birds.the biggest fish bone skeleton is a moon. it is the only fish of the height at the withers, which is greater than its length. from the end of the upper fin to the lower amount of 4.26 meters, and the weight of 2 tons, 235 pounds.the moon is the most prolific female fish and can in time make up to 300 million (!) eggs.
the fastest fish in the world, the swordfish. she is able to reach speeds of up to 130, and there is evidence that up to 140 km / h. interestingly,the scientists studied the structure and обтекаемость fish have come to the conclusion that she can't get that kind of speed. considering its structure, for the speed of the fish should possess the power of 1700 to 2000 horsepower. so the paradoxin law, she can't swim so fast, but floats.
swordfish is known is its tendency to attack ships and underwater vehicles. there is evidence that, as a result of the attacks of these fish were sinking ships.fish sword can pierce steel two сантиметровую hull ship and a hole with a diameter of 25 cm. currently, insurance companies in the contract indicate the itema damaged ship in the attack in the deep-sea fish sword.
scary deep sea fish, which never saw the light.the most spectacular examples are living at depths between 1000 and 6500 meters deep sea fish the mariana trench - the deepest point of the ocean. for a fish to lighting tracker in that cab, which she drew the food. "the male fish clown may become females. clownfish are extremely popular with practicality because of its attractive appearance and неприхотливости. i thinkshe all the way - even poisonous tentacles of particular species of corals, which is a clownfish. clownfish are extremely curious, and will float to the аквалангисту generated near her home.but this fish is also a wonderful ability to change their gender. dies when reproductive female, the male fish clown turns himself in the female to choose then another male.
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