Clawed lobsters comprise a family (Nephropidae) of large marine crustaceans. They are important as an animal, a business and a food.In Biology They are not to be confused with spiny lobsters, which have no claws (chelae), and are not closely related. The closest relatives of clawed lobsters are the reef lobster Enoplometopus and the three families of freshwater crayfish. Smaller varieties are sometimes called "lobsterettes". Lobsters are invertebrates, and have a tough exoskeleton, which protects them. Like all arthropods, lobsters must molt in order to grow, leaving them vulnerable during this time. Lobsters are considered a food delicacy around the world. In Europe, they are extremely expensive; in some parts of North America, much less so.














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Lobsters live on rocky, sandy, or muddy bottoms from the shoreline to beyond the edge of the continental shelf. They generally live singly in crevices or in burrows under rocks. Lobsters are basic scavengers, feeding on mollusks and decaying animal matter. Lobsters are not entirely scavengers, however; they also eat live fish, dig for clams, and feed on algae and eel grass. An average adult lobster is about nine inches (230 mm) long and weighs 1.5 to 2 pounds (700 to 900 g). Lobsters grow throughout their lives, though, and are long-lived. They can thus reach impressive sizes. According to the Guinness World records, the largest lobster was caught in Nova Scotia, Canada and weighed 20.14 kg (44.4 lb).

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