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velvet crab
The velvet crab (alternatively ''velvet swimming crab'', ''devil crab'' or ''lady crab''), ''Necora puber'', is a species of crab. It is the largest swimming crab (family Portunidae) found in British coastal waters, with a carapace width of up to , and the only species in the genus ''Necora''. The body is coated with short hairs, giving the animal a velvety texture, hence the common name. It is one of the major crab species for United Kingdom fisheries, in spite of its relatively small size.
The velvet crab lives from southern Norway to Western Sahara in the North Sea and north Atlantic as well as western parts of the Mediterranean Sea, on rocky bottoms from the shoreline to a depth of about . The last pair of pereiopods are flattened to facilitate swimming.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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