1, method one, the live shrimp poured into the water basin, a few drops of cooking oil, plus a little salt, so that the crayfish can survive for 2 to 3 days, but also make the lobster spit out the sediment in the body.

2, method two, with a mesh pocket will be loaded with crayfish spread out, placed in a cool place, you can add a little water in moderation, but can not let the water will be submerged in all the crayfish, which will lead to the death of crayfish lack of oxygen. Also can not sunshine to the crayfish, keep moist on it. As long as you do not raise a lot of crayfish, this method is very simple and practical.

3, method three, you can put the crayfish in a large pot, add a small amount of water that will not submerge the top of the head of the crayfish, which will not lead to the death of the crayfish hypoxia, but also to help the crayfish discharge the body of garbage. Then put the crayfish pot in a dark and humid place, and then a black plastic bag or something to cover the crayfish; and then change the water appropriately, give some meat and rice and other food, can be stored for a week or even longer.

Expanded:

Crayfish growth habit:

Crayfish adaptability is very wide, with a wide range of suitable growth temperature, in the water temperature of 10-30 ℃ can be normal growth and development. Can also withstand high temperatures and cold, can withstand high temperatures of more than 40 ℃, but also in the case of temperatures of -14 ℃ below the winter peacefully.

Breeding season like to dig holes. The burrow is located about 20 cm above the water surface of the pond, with a depth of 60 cm to 1.2 m. There is a small amount of stagnant water inside to maintain humidity, and the mouth of the burrow is usually sealed with a mud cap to minimize water dissipation. In summer nights or after heavy rains, it has the habit of climbing up the bank to cross the dike and enter other bodies of water.

The crayfish is an omnivore, in terms of dietary habits, the crayfish in the river bottom prefer to eat mud, and like to eat already dead small fish or other water organisms. Mainly eat plants, small fish, shrimp, plankton, benthic organisms, algae can be used as its food.