Crabs spend most of their time looking for food. They are generally not picky about food. They can eat all the food they can find with their claws. Small fish and shrimp are their favorite, but some crabs eat seaweed, even animal carcasses and plants.
Crabs eat other animals, and other animals may eat crabs.
It's all up to the mother to give birth to young crabs. Every time, the mother crab will lay a large number of eggs, which can reach millions or more.
Crab chest has five pairs of appendages, which are called chest feet. A pair of appendages at the front end are equipped with powerful claws, which can be used for foraging. The other four pairs of appendages are crab feet.
Extended data morphological characteristics
Mini Chili Crab, a subspecies of mud crab, is an ornamental pet crab, which has been popular all over the country in recent two years. Its body length is about 1-2cm and its life span is about 2-5 years. It eats after the evening and eats very little. It belongs to omnivorous young grass insects and can be corroded by other animals. They crawl very fast, belong to Nocturnal Animals, don't like light, live in groups in mud or stone, and their feet can be cut off by self-perception.
It can grow rapidly through cell division, has strong regeneration ability, can be cultured in deep water in artificial environment, does not need high oxygen, does not harm fish and shrimp, but will die because of unstable water quality, and breeds 2-4 times a year. The young crab is egg-shaped and looks like a shrimp. There have been successful scientific research cases in domestic high-quality shrimp farms.
Baidu encyclopedia-Tan's mud crab