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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).
Above Images Come From The N.O.A.A.
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