Characteristics of three-eyed dinosaur shrimp

The characteristics of three-eyed dinosaur shrimp are as follows:

I. Appearance characteristics

Three-eyed dinosaur shrimp has an oval back shell, a slender, soft and elastic abdomen, a long forked tail, a body length of about 100 mm, * * * divided into about 40 segments, and some leaflike appendages. Three-eyed dinosaur shrimp has three eyes, with black compound eyes on both sides and a white photosensitive eye in the middle. Dinosaur shrimp got its name because it didn't disappear after the dinosaur period.

Second, it is non-toxic and harmless, and can remove weeds.

Although it looks scary, the three-eyed dinosaur shrimp never bites people. Non-toxic and harmless, and can also remove weeds in rice fields. It is definitely a beneficial creature.

Third, eggs can live for 25 years.

The reason why the three-eyed dinosaur shrimp can overcome various harsh environments and survive for more than 200 million years is because its eggs have strong vitality. When the environment deteriorates, the eggs laid by horseshoe crabs enter diapause and stop hatching for 25 years. Once water reappears in the environment, eggs will start to hatch again.

distribution range

Three-eyed dinosaurs and shrimps are distributed in China, Inner Mongolia, Northeast China, North China, Hefei in East China, Russia, Northwest America, Africa, Australia, Japan, and some less distributed areas, such as south-central America, West Indies, Hawaii, New Scotland, Galapagos Islands and India. The strangest and most famous distribution is Australian Eier Rock (the largest rock in the world).