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Cyclopterus lumpus
''Cyclopterus lumpus'', the lumpsucker or lumpfish, is a species of marine fish in the family Cyclopteridae (lumpsuckers). It is the only member of the genus ''Cyclopterus''. It is found over rocky bottoms in the North Atlantic and adjacent parts of the Arctic Ocean, ranging as far south as Chesapeake Bay (rare south of New Jersey) on the North American coast and Spain on the European coast.
==Description==
Males typically reach in length and the larger females rarely surpass in length and in weight.〔Muus, B., J. G. Nielsen, P. Dahlstrom and B. Nystrom (1999). ''Sea Fish.'' pp. 180–181. ISBN 8790787005〕 The maximum is in length and in weight.〔 In the brackish water of the Baltic Sea it usually does not surpass .〔 The body is ball-like. It has a knobbly, ridged back and three large bony tubercles on each flank. Its pelvic fins form suction discs which it uses to attach strongly to rocks or other surfaces. The head and the pectoral fins of males are larger than those of females. It has a jelly-like layer of fat under the skin which makes it appear to quiver when held in the hand.〔(【引用サイトリンク】title=Lumpfish: ''Cyclopterus lumpus'' )〕 Its colour is highly variable; bluish, greyish, olive, yellowish or brownish.〔Kells, V., and K. Carpenter (2011). ''A Field Guide to the Coastal Fishes from Maine to Texas.'' pp. 192–193. ISBN 978-0-8018-9838-9〕 Mature males, which turn orange-reddish during the breeding season, are brighter than females.〔
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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