There are both farmed and wild swimming crabs. Generally, it can be distinguished by the length of the tongs, the length of the belly, and the taste. Wild swimming crab has tender meat, long claws, slightly shiny abdomen and less sludge in the body. The claws and legs of farmed swimming crabs are relatively short, and there is usually a black substance in the gaps in the belly. Are swimming crabs farmed? There are both farmed and wild swimming crabs. Generally, wild swimming crabs and farmed swimming crabs can be distinguished by the length of their claws, ventral surface, and taste. The meat of wild swimming crabs is tender and delicious, while the taste of cultured swimming crabs is slightly worse. The difference between wild and farmed swimming crabs: Wild swimming crabs have long claws, a slightly shiny abdomen, and less silt in the body, while farmed swimming crabs have shorter claws and legs, but stronger legs. There is usually a black substance in the gap in the abdomen. It's easy to tell. Habits of swimming crab Swimming crab can adapt to water temperatures of 8-31 degrees, and the most suitable temperature for growth is 15.5-26 degrees. They do not eat when the water temperature is below 1.5 degrees, and they are dormant when the water temperature is 0-6 degrees. In addition, swimming crabs usually lurk on the seabed during the day and start looking for food at night, showing obvious phototaxis. Breeding conditions of swimming crabs When artificially breeding swimming crabs, the pond area is required to be about 10-20 acres, and the pond should be built in a location with sufficient water, no pollution, and rich fish resources. The depth of pond water should be controlled at more than 5 meters. After being disinfected and exposed to the sun, the crab seedlings are released in the wild from May to June, with a size of 80 kilograms each.