What's the difference between octopus and octopus?
Octopus (octopus), octopus (octopus), or octopus (shāo). The body is short oval with no fins. There are eight wrists on the head, so it is also called "octopus" or "octopus". The body is ovoid or ovoid, muscular, with narrow hair cavity opening and generally no water holes on the body surface. Wrist sucker 1 or 2 rows.
Octopus is a gentle mollusk. It lives underwater, and the water temperature cannot be lower than 7℃. The optimum proportion of seawater is 1.02 1, which will cause death in low salinity environment. Can eat large animals and plankton and grow. Widely distributed in tropical and temperate waters of the world ocean. In autumn and winter, they often make holes in deep-water sediments. Usually crawl with your wrists, sometimes swim with the membrane between your wrists, or retreat quickly with a funnel at the bottom of your head.
There is a kind of cell on the surface of octopus, called pigment cell. These pigments can only be seen when the pigment cells contract. Octopus can change color by shrinking only one pigment cell at a time. . When an enemy approaches, the octopus will turn dark pink, releasing a mass of black ink from the ink sac, and then the color will fade and flee quickly.
Extended data:
Octopus is rich in protein, fat, carbohydrate, calcium, phosphorus, iron, zinc, selenium, vitamin E, vitamin B, vitamin C and other nutrients. Octopus is rich in taurine, which can regulate blood pressure and is suitable for hypertension, corridor depression, arteriosclerosis, cerebral thrombosis, pain, gangrene and swelling.
Octopus is warm and sweet, non-toxic and can be used as medicine. It has the functions of invigorating qi, nourishing blood, astringing and promoting granulation, and is a nourishing product for women to replenish deficiency, give birth to milk and promote lactation after delivery. Octopus has the function of enhancing male sexual function, because the content of arginine in octopus is high, and arginine is an essential component for sperm formation.
References:
Baidu encyclopedia _ octopus
References:
Baidu encyclopedia _ octopus