Nestled in the vast ocean of the world, more than 300 species of Octopus are discovered by scientists. Octopus in the Octopoda, soft-bodied body is made similar to species of squid. The Octopus body structure is not the bone, no hard shell so the animal can easily weave through the small rock fissure under the oceans. The only hard part of Octopus, Parrot beak shape under the head, between the eight arms. Octopus shape looks like a dome or a bowl inverted over a pile of larger ink mustaches, too. But in fact, what we have called the beginning of Octopus which is the body of it, inside that contains all the crucial internal organs including the heart three. Two heart pumps blood to the gills, and a heart to pump blood to the whole body.Their blood is pale blue.The Octopus's eyesight is very good but unfortunately they are deaf. In all marine species, Octopus was rated as the most intelligent animals. Our nervous system works quite complex, over 2/3 of the neurons in the nerve cords. The life cycle of Octopus are very short, usually about 2-year range, but there are species only lived for 6 months. The only giant octopus in the Pacific Ocean could prolong five years if living in an ideal environment. Octopus is the animals hunt at night, their preferred food is crab, krill and shrimp as possible. Octopus lay 150,000 eggs in two weeks. The children will not make the bait that focus only on protecting its eggs. That makes the baby octopus after birth will take parents by their mother who died because of lack of nourishment and hungry for a long time.
đang được dịch, vui lòng đợi..
