The difference between octopus and octopus

Octopus is actually octopus, both of which refer to the same animal. Octopus is also called octopus or octopus because it has eight tentacles. It belongs to the cephalopod. There are eight wrist feet, there are suckers, but also inkjet, tentacles are relatively long, the body is not too big. It is extremely powerful, cruel and aggressive, resourceful, and many marine animals are afraid of it. It is also a sensitive animal whose nervous system is the most complex and advanced among invertebrates.

1. Sensitive sense of touch

Octopus has eight sensitive tentacles, each with more than 300 suckers, each with a pulling force of 100 grams. If it is entangled, it is more difficult to get out. Octopus tentacles, like human hands, have a high degree of sensitivity to detect outside movements. Whenever the octopus is resting, there are always one or two tentacles on duty. If something happens, the octopus will spray ink to hide itself, and can spray ink out six times in a row.

Second, discoloration ability

Octopus in panic, excitement, excitement and other emotional changes, the skin will change color. The command system that controls the color change of an octopus is its eyes and brain. If there is something wrong with one side of the eye and brain, one side is fixed to a constant color, while the other side can still change color.

III. Ability to escape

Octopuses have excellent escape skills. Because the octopus can store water in the capsule cavity and live on oxygen dissolved in the water, it can live for a few days without sea water.

IV. Life habits

Octopus is also an excellent architect. There are places where octopuses like to live, and there are often "octopus cities". These stone "octopus houses" are one after another, quite spectacular. You can only have one chance to reproduce in a lifetime. Octopuses belong to molluscs. After mating and spawning, both males and females lose their appetite and die about a week later.

The above is some introduction about the octopus, hoping to help you understand the octopus better.