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Menticirrhus saxatilis
''Menticirrhus saxatilis'', the northern kingfish or northern kingcroaker, is a species of marine fish in the family Sciaenidae (commonly known as the "drum" or "croaker" family). It lives in the shallow coastal waters of the western Atlantic Ocean and Gulf of Mexico.
== Description ==
The northern kingfish can grow to about , but a more usual adult length is .〔(''Menticirrhus saxatilis'' (Bloch & Schneider, 1801): Northern kingfish ) FishBase. Retrieved 2012-03-07.〕 It is a slender fish, being most deep bodied in the pectoral region. As in most bottom-feeding fish, its upper jaw projects further than the lower and the snout overhangs the mouth. There is a small barbel on its fleshy lower lip. The dorsal fin is divided into two parts. The front part is triangular, short but tall with 10 spines, the third of which is the longest and is extended into a short filament. The other part of the dorsal fin is long and slightly tapered and has one spine and 24 to 27 soft rays. The pointed pectoral fins are quite large and the anal fin has 1 spine and 8 soft rays. The tailfin has a characteristic slightly concave upper lobe and a rounded lower lobe. The colour is dark grey with a metallic sheen and paler grey below. There are several diagonal bars of darker colour on the upper body. These mostly run towards the rear of the body but one or two bars near the head slope the other way. The fins are a dark colour, tipped with white. Unlike most members of its family, the northern kingfish has no air bladder, so the fish does not make the "croaking" sound that is characteristic of the family.〔, ''Fishery Bulletin of the Fish and Wildlife Service'', U.S. Fish and Wildlife Service. Retrieved from Gulf of Maine Research Institute website, 2012-03-07.〕
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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