Generally speaking, choosing to steam crabs in cold water takes about fifteen to twenty minutes.
In fact, steaming crabs with hot water and cold water can be used. Steaming crabs with boiling water can ensure that the crabs are cooked quickly, the meat is delicate and tender, and the crab yolk will not flow out. However, steaming crabs with boiling water will cause the crabs to struggle in the pot and easily break their legs. Steaming crabs with cold water can ensure that the crabs are intact in the pot and gradually cooked through. However, the disadvantage is that the crab yolk is easy to flow out and more time is spent.
Beyond steaming with boiling water in a pot, crabs steamed in cold water must wait for the water temperature to gradually rise, and spend a lot more time. Generally speaking, choosing to steam crabs in cold water takes about fifteen to twenty minutes. Of course, this time is not absolute and should be adjusted appropriately according to the individual situation. If the time is up but the color of the crab has not changed, you need to spend more time until the crab shell changes color.
Crab habits
The crabs like to live in rivers, lakes and rice paddies in the mud banks or mudflats of the cave, but also like to hide in the rocks, water plants, there are digging habit, digging ability is very strong, a few minutes can be a short digging into a hole, the longest is to be a few hours or even a day and night, digging the hole is mainly rely on a pair of chelicerae, eight Step foot auxiliary, first with the head of the chest to push the mud to create a depression, and then chelipeds to dig deep and use one side of the step foot raking mud, will be sent out of the hole mud.
The crab's diet is very diverse, in natural conditions to eat water plants, humus-based, animal carcasses, but also like to eat snails, mussels, worms, insects, and so on, and occasionally also prey on small fish, shrimp, food scarcity will also be killed by the same kind of people, and even devour their own eggs, most of the time it is looking for food, and generally not picky about food, as long as the chelipeds can be obtained to get to the food can be eaten.
The crabs like day and night, more hidden in the cave during the day, the night only out of the cave for food, due to the crab compound eye by thousands of small eyes and stalks can be active, so the vision is very sharp, in the very weak light can also be effective in searching for food and to escape from the enemy, and crabs tolerate hunger ability, generally ten days and a half months do not eat to starve to death, in the overwintering period is very little to eat.