Crayfish
Crayfish (Procambarus clarkii) : Also known as Procambarus clarkii, red crayfish, and freshwater crayfish. It looks like a shrimp and has a hard shell. The adult body is about 5.6~11.9 cm long, dark red, the carapace part is nearly black, and the back of the abdomen has a wedge stripe. The juvenile body is uniformly gray, sometimes with black ripples. Long and narrow. The middle part of the carapace is not separated by a mesh void, and there are obvious particles on the carapace. Frontal swords with lateral spines or notched ends.
Freshwater economic shrimp, because of the delicious meat widely popular people. Because of its omnivorous, fast growth rate and strong adaptability, it has formed an absolute competitive advantage in the local ecological environment. Their feeding range includes aquatic grasses, algae, aquatic insects, animal carcasses, etc., and they also kill themselves when food is scarce. Crayfish have become an economically important breed in China in recent years. In the process of commercial breeding, escape should be strictly prevented, especially into the unfrequented original ecological water bodies. It is damaging to the ecological competitive advantage of local species !