The main difference between blue crabs and hairy crabs lies in their belonging and habitat habits:

1, belonging to different

Blue crabs belong to the family Portunus of arthropods. Its carapace is usually oval, and its body is flat and fluffy. It often appears in mudflats and shoals near the coast. It enters the mudflat with the ebb and flow of tides on weekdays, and likes the place where fresh water flows out. Hairy crab is an animal belonging to the genus Eriocheir. Its head, chest and back are covered with a hard shell. Usually, the color of the shell is dark green or ochre yellow.

2. Different habitat habits

Blue crabs like to live in the estuaries of rivers, streams and oceans, or in mudflats where fresh water is buffered and exchanged. It usually lives in caves during the day and starts to forage at night. The habitat habits of hairy crabs are different according to different ecological conditions. When there is plenty of food, hairy crabs will live in caves to avoid enemies. When the environment is not suitable for hairy crabs to build caves, hairy crabs will choose to live in crevices and aquatic plants; Hairy crabs travel during the day and at night and feed on animal carcasses or grains.

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