Kamchatka crab, crustaceans are a crooked tail classes of invertebrates living in the Bering Sea and Sea of Japan in the ocean depths, leisurely clusters of seaweed in the sea and crawl between, living benthic life.
Kamchatka crab long with a good figure, long legs count, it's about one meter in length, in addition to the body wrapped in a hard carapace, but also the edge of the back and covered with barbed spines of varying sizes, give with a pair of pliers like chelipeds. That big long black legs of the end of the hook into the knuckles, a majestic look. In life we all know, crab lengthwise eyes, walk sideways, eight legs, but a closer look at this big crab, such a big head, how only six legs? Since the original survey and sea crabs long shuttle in rock crevices, long-term adaptation to this environment, a pair of legs have been degraded to the cheek cavity possession gone.
Kamchatka crab male and female individuals is slightly different. Female crab's abdomen is round, the first pair of abdominal limbs in pairs, the second to fifth on the belly of the limb is not a right, the right has disappeared. Male crabs are generally more female heads of large crabs, cephalothorax length 22 cm, 25 cm wide, abdomen small, triangular, not pleopod. |
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