分類 / 名前
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Holocentriformes (Squirrelfishes, soldierfishes) >
Holocentridae (Squirrelfishes, soldierfishes) > Myripristinae
Etymology: Myripristis: Greek, myros, -ou = male of morey eel + Greek, pristis = saw (Ref. 45335).
Eponymy: Jacobus is a latinization of James, and refers to the fish’s local name Frère-Jacques (Brother Jim) in Martinique, which is the type locality. (Ref. 128868), visit book page.
More on author: Cuvier.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 関連する礁; 深さの範囲 0 - 210 m (Ref. 115215), usually 2 - 35 m (Ref. 40849). Subtropical; 37°N - 23°S, 98°W - 9°E
Western Atlantic: North Carolina (USA), Bahamas and northern Gulf of Mexico to Brazil; throughout the West Indies and the Caribbean Sea (Ref. 3724). Eastern Atlantic: St. Paul's Rocks (Ref. 13121), Cape Verde, Principe, Ascension and St. Helena islands (Ref. 6537).
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 25.0 cm TL オス/雌雄の選別がない; (Ref. 5217); common length : 20.0 cm TL オス/雌雄の選別がない; (Ref. 5217)
背面の脊椎 (合計) : 11; 背鰭 (合計) : 14; 肛門の骨: 4; 臀鰭: 13 - 14. Soft dorsal and anal fins covered with scales (Ref. 13608). Dark brown vertical bar runs along gill opening to pectoral fin (Ref. 26938). Body deep, compressed and robust (Ref. 37108). Body reddish above, paling to silvery below. Spinous dorsal fin with red and white markings. Edges of all fins are white. Preopercular spine not prominent. Lobes of caudal, soft dorsal and anal fins pointed (Ref. 7251).
Body shape (shape guide): fusiform / normal.
Found from shallow coral reefs to offshore deeper waters (Ref. 3724). A nocturnal species aggregating around coral reefs and deeper rocky reefs (Ref. 3724). Feeds mainly on planktonic organisms (Ref. 3724). Occasionally found swimming upside down (Ref. 9710). Marketed fresh but not popular as a food fish (Ref. 5217).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 少数商業の; 水族館・水槽: 商業
用具
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