Procambarus clarkii | Procambarus clarkii and crayfish are very similar in appearance, and even many people can not distinguish between Procambarus clarkii and crayfish, in fact, Procambarus clarkii and crayfish in the appearance of a lot of differences, for example, crayfish and Procambarus clarkii shell color is different, and their number of tentacles are also a clear For example, the shell color of crayfish is different from that of freshwater crayfish, the number of tentacles is also clear, the water quality requirements for the survival of freshwater crayfish and crayfish are different, and the food requirements of the two are also different.

Crayfish in China in fact belongs to invasive species , the beginning of the time is the introduction of Japan into China , the professional name of crayfish is the crayfish crayfish, crayfish crayfish is now the most common, and most often eaten crayfish on the dinner table, the crayfish's adaptive ability to survive and the reaction ability is very strong, it is the food for the survival of the crayfish. Very strong, it is very simple for food requirements, plants, organisms in the water, as well as animal carcasses for crayfish are food, crayfish strong ability to survive and reproduce once in our country once flooded, but in the national capacity to eat, crayfish so far need to rely on artificial breeding to meet market demand.

Procambarus clarkii is not like crayfish most survive in the southern waters, Procambarus clarkii is living in the Northeast freshwater lobster, its professional name is the Northeast black crayfish, belong to China's native species, Procambarus clarkii is for the survival of the environment of the water quality requirements are relatively high, mainly living in some of the clear streams or streams, if the water quality is affected by the water quality, the water quality of the water quality is very high. Inside the river, if the water quality is polluted by pesticides or industrial wastewater, the clarkfish mayfly is absolutely not survive, the clarkfish mayfly's food is mainly some of the plankton in the water, the moss on the rocks in the river, the water plants in the water.

Crayfish body shell is mainly dark red or black, but crayfish body shell color is all green , in the bottom of the river is not easy to be found, usually hide hide rain river bottom under the rock, but the crayfish will be cooked with fire after the body shell color will be from the green into a bright red, the crayfish head is very large, in the mouth on both sides of two long tentacles and a long, bright red. Procambarus clarkii has a very large head with two long tentacles and spines on either side of the mouth, but crayfish have three pairs of tentacles on the head, which are not of the same length, usually two pairs are longer and one pair is shorter.