Lobster
Wiki, Facts

 Lobster facts

• They have long bodies with muscular tails, and live in crevices or burrows on the sea floor
• Three of their five pairs of legs have claws, including the first pair, which are usually much larger than the others
• Highly prized as seafood, lobsters are economically important, and are often one of the most profitable commodities in coastal areas they populate
• Commercially important species include two species of Homarus from the northern Atlantic Ocean, and scampi – the Northern Hemisphere genus Nephrops and the Southern Hemisphere genus Metanephrops
• Although several other groups of crustaceans have the word "lobster" in their names, the unqualified term "lobster" generally refers to the clawed lobsters of the family Nephropidae
• Clawed lobsters are not closely related to spiny lobsters or slipper lobsters, which have no claws (chelae), or to squat lobsters
• The closest living relatives of clawed lobsters are the reef lobsters and the three families of freshwater crayfish