Raising small crabs caught on the beach requires preparation of sand, seawater, feeding by temperature and cleaning.
1, sand
Seaside-caught small crabs are not good to raise, you can use a large container with sand, of course, the sand has to be sea sand or river sand, it is best to have a few large stones inside, because the crabs will be digging holes under the rocks to live, so that you can simulate the environment of the seaside, and then put some of the crab-catching The aquatic plants in the place will be better.
2, water
The water to raise seaside crabs should use seawater or artificial seawater, you can not add iodized salt in the water, iodized salt is toxic to crustaceans, the water to keep can not be too deep, the best depth of water is the water steel dipped over the shell of the crab. After a while, the water can also be used with tap water, but only after a day in the sun.
3, feeding
The feeding intensity of crabs increases or decreases with the season and water temperature. In summer and fall as the water temperature rises above 15℃, the feeding ability of the crabs is enhanced, and at this time feeding is done once a day. When the water temperature drops below 15℃, the feeding ability of crabs decreases, and feeding can be done once every other day or several days. It is better to feed the crabs in the evening, because they are diurnal aquatic animals.
4, cleaning
Help crab cleaning, you can use your hand to fix the crab, and then use a toothbrush dipped in a little shower gel or soap to brush it, the dead corner of the brush can be pulled by its feet, brush the water rinse clean, you can sprinkle a little salt, used to disinfect, prevent infectious diseases.
5, food
Crab is omnivorous animals, conditions can be fed red nematodes, egg yolks, can be fed to chickens and ducks offal or small fish and shrimp, at the same time to feed some of the grasses of the food, the amount of feeding to half an hour to eat prevail.