Crab if it is cold water under the pot needs to be steamed for 20-30 minutes, when the crab is completely red, you can get out of the pot, the specific is not fixed, according to the size of the crab to extend or shorten the time appropriately.

Crabs, also known as crabs, arthropods, mollusks. The number of genetic material is complex and has a great deal of variability, often up to more than 100 pairs. Common crabs are hairy crabs (river crabs, hairy crabs, clear water crabs), pike crabs and so on. When cleaning crabs before steaming, use a toothbrush to clean all parts of the crab, squeeze out the feces, and then brush them clean with a toothbrush. It is important to note that you must pick out the dead crabs, dead crabs are poisonous, the longer they are dead, the more toxic they are, and consuming them will cause the body to be unfavorable.