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The main differences are different subject classifications, different morphological characteristics, different living habits, and different distribution ranges.
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Crabs with hairy pincers on them are called Chinese mitten crabs. Chinese mitten crab is a crustacean of the family of bow crabs, mitten crabs, also known as river crabs, hairy crabs, hairy crabs, and clear water crabs, which are traditional Chinese aquatic treasures with fluffy hairs on their feet. Like other higher animals, the internal organs of the Chinese mitten crab have been fully developed, and it has a relatively complete digestive, respiratory, circulatory, nervous and reproductive systems.
Crabs with hairy pincers on them are called Chinese mitten crabs. Chinese mitten crab is a crustacean of the family of bow crabs, mitten crabs, also known as river crabs, hairy crabs, hairy crabs, and clear water crabs, which are traditional Chinese aquatic treasures with fluffy hairs on their feet. Like other higher animals, the internal organs of the Chinese mitten crab have been fully developed, and it has a relatively complete digestive, respiratory, circulatory, nervous and reproductive systems.
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Hairy crabs belong to a type of crab, and crabs are a general term for crabs. Hairy crabs are characterized by dense hairy feet, straight forehead, with 4 sharp teeth, forehead width less than 1 meter width of the cephalothorax, the first antennae lying horizontally, the second antennae erect, and the length of the third foot segment is about equal to the width. The brief introduction of the two is as follows:
1. Hairy crab: also known as river crab, crab, clear water hairy crab, scientific name Chinese mitten crab. There are more than 500 species of crabs in China, and river crabs are the most abundant freshwater crabs in China. Hairy crabs are famous for their rich nutrition and delicious meat;
2. Crabs: Animalia, Arthropoda, Crustacea, Molluscs, True Soft Nails, Socks, Abdominal Embryos, Short-tailed Hypoorder. It is a crustacean.
The body is protected by a hard shell and breathes by gills. Taxonomicly, it is the same animal as shrimp, lobster, and hermit crab.
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The difference between a crab and a crab is the difference in body size and growth habits.
The size of the crab is much smaller than that of the crab, and the pincers are very large in comparison, but the pincers are not hairy, especially the male ones, the pincers are thicker, but the crab is larger.
Crabs are mainly burrowing and hibernate in winter, but crabs are basically omnivorous, and even prey on other small creatures in the water.
Farming techniques
Crabs are omnivorous organisms, so you can properly plant some aquatic plants in the water, so this can also provide some organisms for the crabs, and can also promote the growth of crabs. Luoguan plum is actually a favorite food of crabs, so you can stock some snails in the limb water, so that it can not only provide enough food for crabs, but also increase economic benefits, after all, snails can also be sold.
Of course, water quality is a basis for breeding crabs, so before stocking, it is also necessary to fertilize in the water, but in the management, we must pay attention to the growth of moss is too vigorous, then it is likely to cause water pollution, so it needs to be cleaned up in time. In fact, polyculture is also a good way to breed crabs, which can be mixed with common fish such as silver carp.
How to distinguish between male and female crabs.
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