Liangshan, Sichuan, discovered "Fairy Shrimp" at the same age as dinosaurs, 100 ° C, high temperature, hot and strong egg

Cover News Profile reporter Luo Shiyi

On August 2nd, a video of "Finding the Fairy Fairy Shrimp of the prehistoric nodes in Xichang" spread on the online platform. According to a video, netizens accidentally found a kind of prominent eyes in a water canal in Xichang City, Liangshan Prefecture. The chest is covered with "small feet" and the tail is bright red, and the creatures that "backstroke" are also "backstroke". Netizens found that after searching the engine inquiries, they found that it was the dinosaur "same age" -"fairy shrimp", which was 200 million years ago.

What exactly is the creature? What does it mean? On August 4, the cover reporter contacted Associate Professor Dong Yanzhen of the School of Animal Sciences of Xichang College. She revealed the "true face" of the creature to the reporter.

"Fairy Shrimp" in a netizen video

This creature is a fairy shrimp

Always live in ditch, paddy fields

After watching the video, Associate Professor Dong Yanzhen confirmed that the creature was a "fairy shrimp". The collective name of the small crustaceans of the Footna Legs without armor, Fengnian insects, and martial arts family. They usually have no breastplates, extended to the trunk, 11-19 pairs on the chest, and have similar shapes. Essence "Because of the beautiful appearance, the" swimming posture "is beautiful, so everyone calls it fairy shrimp."

In the video, netizens were surprised by the discovery of the creature, but in video comments, many netizens said that they often saw the traces of the creature in the field. Is the foundation of Fairy shrimp accidental? Where is its home?

Dong Yanzhen said that this type of species is usually more common and often lives intermittent water such as ditch, ponds, and rice fields. "Fairy shrimp was very common in the paddy fields and ditches, but later because of pesticides and pollution, the possibility of seeing was less likely." In addition, because the individual of Fairy shrimp is small, the life span is only 2-3 months. Observe, so few people now understand the species.

As a "beauty" in farmland and ditch, will the "return" of the fairy shrimp affect the crops? Dong Yanzhen said that there is no information to prove that the species is harmful to crops. In addition, its close relatives are currently widely used in aquaculture and have high economic value.

Dinosaur peers, dinosaurs of 200 million years

"It is difficult to kill their eggs at 100 ° C."

"The existence of fairy shrimp has been more than 200 million years, and she is almost the same age as dinosaurs." Dong Yanzhen introduced. Why can Fairy Shrimp exempt in the Century Big Bang? Dong Yanzhen believes that "the reason is that it has a powerful egg."

As a intermittent water body, although the fairy shrimp only has a short season of life, its eggs are extremely strong. Because its egg shell has the heat insulation layer and is very hard, when the creature's eggs encounter poor environments such as drought, high temperature, cold, etc., the eggs will enter a dormant state, which will resist the harsh environment of the outside world. Breeding. "After reporting the eggs of the fairy shrimp in the boiling water at 100 ° C, their eggs can still hatch, which can also be seen that their egg vibration is very tenacious." Dong Yanzhen said.

Relying on strong eggs, the generation of fairy shrimp has been reproduced from generation to generation. At present, there are more than 500 fairies in the world. In recent years, more and more fairy shrimps have been discovered. Dong Yanzhen said that the survival of fairy shrimp has higher requirements for water quality. In recent years, it may have been found to have a certain relationship with the environment.

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