Is jellyfish a jellyfish?

Jellyfish is the jellyfish family jellyfish family jellyfish general name, umbrella uplift is steamed bread-shaped, 50 centimeters in diameter, up to about 1.5 meters, glue is hard, usually bluish blue, tentacles milky white, mouth and wrist eight, lacked into many valves, widely distributed in the north and south seas of our country, can be eaten, and can be used as medicine, let's take a look at whether jellyfish is jellyfish in the end!

Is jellyfish a jellyfish?

Jellyfish is a kind of jellyfish, but jellyfish is not jellyfish. Jellyfish belongs to coelenterate phylum jellyfish, root mouth jellyfish family jellyfish, so jellyfish is a kind of jellyfish, has been listed as one of the "eight treasures of seafood" since ancient times, and has high economic value. jellyfish processed with salt and alum sell well abroad. Jellyfish, as a natural resource, has a long history in China. Pickled jellyfish was recorded as a food in the Jin Dynasty more than 1700 years ago.

Is jellyfish poisonous?

Jellyfish is poisonous. Jellyfish venom can cause different degrees of damage after stinging the human body, such as sea wasp jellyfish, stinging silk can secrete cobra venom, which is the most harmful to human beings, and can cause death 5 minutes after jellyfish injury. The monk hat jellyfish contains a "hypnotoxin", which is made up of peptides and proteins and small molecules containing nitrogen. It takes many days for the patient to relieve the pain after stinging the body. Along the coast of China, there are common sand sea stings floating in the Yellow Sea with the cold current, which can secrete peptide poison. Jellyfish toxin is stored and distributed in the barbed silk sac. 1 gram of jellyfish toxin contains 55 million single thorn silk sacs. Generally, after fishing, the toxicity of jellyfish toxin can disappear quickly after processing.

What kind of food does jellyfish eat

The jellyfish does not feed at the floating wave larva stage, and does not begin to feed until the metamorphosis is a 4-tentacle polyp larva. Tentacles are predatory organs that feed on small zooplankton. The discoid larva has a square mouth and feeds on small plankton. With the growth and development of mouth and wrist formation, about 20 mm umbrella diameter, the central mouth closed, for young stings. The feeding of young stings to the adult stage feeds on small zooplankton through many suction openings on the mouth, wrist and shoulder plate. There are many kinds of food, mainly copepods, cladocera, ostracods, amphipods, ciliates, shellfish larvae and other zooplankton larvae.