How to raise sea crabs

Sea crab generally refers to the three-wart swimming crab, which is an important economic crab along the coast of China, which is rich in nutritional value, so how to raise the bought sea crab?

1. Environment

Raising crabs at home can be a cement pond, a larger plastic basin, or a larger fish tank. No matter what it is, it can be raised. It is mainly fish tank here. Put some stones and fine sand at the bottom of the tank and pour it into the tap water that has been drying for a day. The water should not pass the crab's shell. Then plant some aquatic plants in the fish tank, such as verticillium verticillata, Sophora flavescens, Elodea, etc., to create a good living environment for crabs.

2. Release crabs

Put the selected big crab or small crab into the tank, and you should be free from disease and injury. Crabs are social animals, can be raised together with several crabs, so the survival rate is relatively high, but the size specifications should be the same.

3. Food

Crabs are omnivorous animals, which can be fed with egg yolk, animal offal, small fish and shrimp, cabbage, dried bean curd, pumpkin, potato, snail, clam meat, red worm and so on. Feed 1-2 times a day, and the amount of food should be eaten within half an hour.

4. Cleaning

Clean the crab regularly, fix the crab with your hands when cleaning, and then wash it with some body wash or soap with a toothbrush, especially at the dead corner, pull its foot brush. Rinse clean with water after washing, wash the fish tank, and sprinkle some salt occasionally to prevent infectious diseases.

5. Change water

Change the water every three days. Sprinkle an appropriate amount of quicklime after changing the water, which can be sterilized and disinfected.

It is relatively simple to raise sea crabs. You only need to pay attention to changing water frequently. This kind of culture can also keep the sea crabs fresh.