Crab (scientific name: Brachyura) is a decapod animal, usually belonging to the Crustacea class. They have a hard exoskeleton and usually live in the ocean, freshwater, and land. Crabs are a widespread group of animals with a high species diversity, including species of all sizes and morphological forms. They feed on a variety of foods, including carrion, plants, and other small animals.
Crabs are known for their unique morphology and ecological habits, and are an important food resource in many regions. At the same time, they are also part of the ecosystem and play an important role in the food chain and ecological balance.
animal tags： Brachyura
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