Octopus, also known as stone snail, octopus, octopus, stone-sucking, tide-watching, and dead cattle, belongs to the subclass Octopus such as mollusks. Octopus has eight wrists and feet, and there are many suckers on the wrists and feet. Sometimes black ink is sprayed to help escape. Some octopuses have developed brains and can distinguish themselves in the mirror; You can also walk out of the maze designed by scientists and eat crabs in the maze.
Squid can spray ink.
Squid with a fat trunk, its name is "squid";
The cuttlefish has 10 wrists around its mouth, of which two are longer and eight are shorter. Because it can jet ink, it is also called "cuttlefish".
So everything can be inkjet.
The ink on squid is completely different from the black ink used for writing. The melanin contained in the "ink" made by squid is a kind of protein, which will decompose after a long time.
Squid ink was originally used to stop bleeding. Squid ink has high anti-tumor activity and outstanding function of enhancing immunity. Squid has the characteristics of high nutrition, short life cycle (usually one year), fast growth and wide distribution. It is a kind of marine aquaculture with great development prospect and the largest and most potential resource in protein. In order to fully develop the health food and medicine of squid ink, the following nutrients are provided. The main nutritional components of squid ink are: water 83.93%, crude protein 9. 18% and fat 0.97%; It contains 70 mg/g of amino acids and 29.5 mg/g of essential amino acids, including 9.7 aspartic acid, 4.7 threonine, 3 serine, 7.7 glutamic acid, 4 glycine, 8.6 alanine, 4.2 valine, 5 isoleucine, 8.7 leucine, 5.2 arginine and 2.8 phenylalanine. * * 10. It contains trace elements of potassium 3756.7, sodium 15832, manganese 20586.3, calcium 1990 1.7, and iron 12. 15.
There are many questions. . . I am tired. . .
Hope to adopt! ! ! Better add some points! ! ! !