Canadian-American lobster

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About Canadian-American Lobster
Clawed Canadian-American lobster member of family Nephropidae, sometimes also Homaridae, of large marine crustaceans. Canadian-American lobster are invertebrates, and have a tough exoskeleton, which protects them. Like all arthropods, Canadian-American lobster must molt in order to grow, leaving them vulnerable during this time. Canadian-American lobster are considered a food delicacy around the world. Like all arthropods, Canadian-American lobster are largely bilaterally symmetrical; clawed Canadian-American lobster often possess unequal, specialized claws, like the king crab. The anatomy of the lobster includes the cephalothorax which is the head fused with the thorax, both of which are covered by the carapace, and the abdomen. The lobster's head consists of antennae, antennules, mandibles, the first and second maxillae, and the first, second, and third maxillipeds. Because a lobster lives in a murky environment at the bottom of the ocean, its vision is poor and it mostly uses its antennae as sensors. In general, Canadian-American lobster move slowly by walking on the bottom of the seafloor. However, when they are in danger and need to flee, they swim backwards quickly by curling and uncurling their abdomen.