分類 / 名前
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Eupercaria/misc (Various families in series Eupercaria) >
Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Monotaxis: Greek, monos = one + Greek, taxis = disposition (Ref. 45335).
More on author: Forsskål.
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; 移住性ではない; 深さの範囲 0 - 100 m (Ref. 9710), usually 5 - 30 m (Ref. 9775). Tropical; 35°N - 30°S, 32°E - 122°W
Indo-Pacific: Red Sea and East Africa to the Hawaiian Islands and southeastern Oceania, north to Japan, south to Australia.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 30.3, range 18 - ? cm
Max length : 60.0 cm TL オス/雌雄の選別がない; (Ref. 2295); common length : 40.0 cm TL オス/雌雄の選別がない; (Ref. 2295); 最大公表体重: 5.9 kg (Ref. 40637)
背面の脊椎 (合計) : 10; 背鰭 (合計) : 10; 肛門の骨: 3; 臀鰭: 9. This species is distinguished by the following characters: body oblong, greatest body depth of adults about 2.2 in SL; head profile strongly convex in front of eye, the snout sloping steeply; eye large 2.7 (juveniles) to 3.8 (adults) in HL; inner surface of the pectoral fin base is densely scaled; pectoral rays usually 14; caudal fin forked with pointed tips; lateral line scales 44-47; scale rows above lateral line (to base of middle dorsal spines) 5, below (to origin of anal fin) 13.5; side of jaw with row of 5-7 molariform teeth. Color of adult silvery grey with narrow dark scale margins, lips yellowish, a large black blotch covering pectoral fin axil, quick to assume pattern of 4 broad, blackish bars on body, the pale interspaces covering 3-4 scale rows; juveniles with black bar through eye, body with 3 dark brown to blackish bars with the 2 posterior bars extending onto the dorsal fin, and each lobe of caudal fin with an orange band (Ref. 2295, 90102).
Body shape (shape guide): fusiform / normal; Cross section: oval.
Found in sand and rubble areas near coral reefs. Solitary fish are often encountered, but large adults usually form aggregations of up to about 50 individuals (Ref. 9710). Solitary or in groups (Ref. 90102). Benthopelagic (Ref. 58302). Nocturnal feeders (Ref. 9710). Feed mainly on gastropods, ophiuroids, and echinoids. Pagurids and brachyuran crabs, polychaetes, tunicates, and holothurians are consumed in lesser quantities. Caught mainly with gillnets, traps, spears, and handlines (Ref. 2295). Marketed fresh (Ref. 9775). Ciguatoxic in Marshall Is. (Ref. 171). Minimum depth reported taken from Ref. 128797.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間に対する脅威
Reports of ciguatera poisoning (Ref. 4690)
人間の用途
水産業: 商業; ゲームフィッシュ: はい; 水族館・水槽: 商業
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 24.6 - 29.1, mean 28 °C (based on 1440 cells).
系統多様性指数 (参照
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.01557 - 0.02556), b=2.98 (2.91 - 3.05), in cm total length, based on LWR estimates for this species (Ref.
93245).
栄養段階 (参照
69278): 3.4 ±0.0 se; based on diet studies.
Generation time: 5.0 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Moderate vulnerability (40 of 100).
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気候脆弱性 (Ref.
125649): Very high vulnerability (76 of 100).
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栄養素 (Ref.
124155): Calcium = 13.8 [7.7, 30.8] mg/100g; Iron = 0.142 [0.080, 0.282] mg/100g; Protein = 19.5 [17.5, 21.4] %; Omega3 = 0.0686 [, ] g/100g; Selenium = 72.3 [36.9, 142.9] μg/100g; VitaminA = 56.8 [17.8, 158.9] μg/100g; Zinc = 0.438 [0.335, 0.630] mg/100g (wet weight); based on
nutrient studies.
