2, put a certain amount of crayfish, the more scattered, the easier it is to live, because they will fight.
3, then put a certain amount of water in it, remember not to drown them, as long as there is a little water.
4. Then put them in a cool place.
Crayfish (scientific name: Procambarus clarkii): also known as Procambarus clarkii, red crayfish and freshwater crayfish. Shaped like a shrimp with a hard shell The adult is about 5.6~ 1 1.9 cm long, dark red, with nearly black carapace and wedge-shaped stripes on the ventral back. Young shrimps are evenly gray, sometimes with black ripples.