A red-tailed creature was found in the pond of Crystal Park in Donghai County, Lianyungang. Experts have confirmed that this is an aquatic crustacean contemporary with dinosaurs. It appeared more than 200 million years ago and is called fairy shrimp. This kind of immortal shrimp, about two centimeters long, is transparent and emits light yellow fluorescence. Its red tail is particularly conspicuous and its posture in the water is quite elegant.

It is an aquatic animal, which belongs to the family Lepidoptera. Even after more than 200 million years of evolution, the shape of the immortal shrimp has not changed much. The life cycle of fairy shrimp is only 2-3 months, but its eggs are very vital and can withstand cold and heat. Fairy shrimp eggs smaller than sand have hard protective shells. This is a real thermal protective layer, which can resist boiling water and still have vitality.

A tiny egg can wait 10000 years until the water comes and the environment is suitable for hatching. They can be called the miracle of biology. Xianxia eggs also have a very open skill. If their water dries up, their eggs can still survive in a dry environment for a long time. A small egg can wait for decades until there is water. Once there is enough precipitation, their eggs can hatch again. The eggs of immortal shrimp are immortal in drought, heat and cold. Xianxia lived to this day with this skill.

Fairy shrimp is not a rare or protected species. As long as conditions are right, it will survive. A few years ago, experts found traces of fairy shrimp in rice fields and small ponds in the suburbs of Nanjing. However, due to the difficulty in capturing in the wild and the lack of detailed discoveries, there are few records about the fairy shrimp, which are also very strange. Xianxia likes to swim with its head held high. Secondly, they are small and have little meat, and no one eats them. Because of its little use value, few people know its existence.