Lobsters have long bodies with muscular tails, and board crevices or burrows on the ocean floor. 3 of their 5 pairs of legs have claws, as well as the primary try, that area unit typically a lot of larger than the others. extremely prized as food, lobsters area unit economically vital, and area unit typically one among the foremost profitable commodities in coastal areas they populate.[2] Commercially vital species embody 2 species of genus Homarus (which appearance additional just like the conventional lobster) from the northern ocean, and dish (which appearance additional sort of a shrimp, or a "mini lobster") – the hemisphere genus Nephrops and also the hemisphere genus Metanephrops. 
though many different teams of crustaceans have the word "lobster" in their names, the unqualified term "lobster" typically refers to the clawed lobsters of the family Nephropidae.[3] Clawed lobsters aren't closely associated with prickly lobsters or slipper lobsters, that don't have any claws (chelae), or to squat lobsters. The nighest living relatives of clawed lobsters area unit the reef lobsters and also the 3 families of fresh crayfish.
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