The crab is a kind of animal which we are quite familiar with. Judging from the category, they belong to the Arthropoda, Malacostraca, Decapoda.Therefore, from the classification point of view, it belongs to arthropods, and belongs to crustaceans in arthropods.Some of the physical characteristics of crabs are more prominent, such as their body outside is a relatively hard shell; For example, they use gills to breathe.From the point of view of living environment, the vast majority of crab species live in the ocean, belonging to marine animals; Only a small part of them live in fresh water, and some of them also live on land.
From the point of view of diet, most crabs are carnivorous, they can prey on more animals, fish, shrimp and mollusks will become their food.However, a few crabs eat plants, algae and organic debris in the water as their own food.
Crabs are relatively common animals, but also relatively easy to buy, you can breed.When breeding, you can prepare a basin for them, and put water in it, and then let them move in the basin.The water doesn't have to be too deep, just under their shells.Crabs need to be prepared according to their feeding habits, generally speaking, fish and shrimp are the two most common foods.In the process of breeding, crabs can also be properly exposed to the sun, but it does not take too long.
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