How do river crabs breed?

Eriocheir sinensis, whose scientific name is Eriocheir sinensis, lives in the muddy banks of rivers, rivers and lakes. Its meat is fresh and nutritious, and many people like to eat it. So, how do river crabs breed?

First, how do river crabs breed?

River crabs are oviparous and usually reach sexual maturity in two years. Reproductive migration begins every autumn, mating, spawning, hatching and development in salty and fresh water. Its life span is 2-3 years, and it goes through several growth stages: flea larva, bigeye larva, young crab, yellow crab and green crab. Each stage has to go through several molts, a total of dozens of molts. It has only one reproductive cycle in its life, and its life ends at the end of reproduction.

What do river crabs eat?

The feeding habits of river crabs are very miscellaneous. Under natural conditions, they mainly feed on water plants and humus, and eat animal carcasses. They also like to eat snails, mussels, worms, insects, and occasionally small fish and shrimp. When food is scarce, people of the same kind will cannibalize each other, even devour their own eggs, and sometimes they will compete for food because of a dead fish.

Third, how long does it take to steam the crab?

River crabs can be steamed, small river crabs are generally steamed for about 8 minutes, and larger river crabs are generally steamed for 10-15 minutes. If you want to kill all the bacteria and parasites in the crab, steam for at least 25-30 minutes.