分類 / Names
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Eupercaria/misc (Various families in series Eupercaria) >
Lutjanidae (Snappers) > Lutjaninae
Etymology: Lutjanus: Malay, ikan lutjan, name of a fish.
Environment: milieu / climate zone / depth range / distribution range
生態学
海; 新鮮な水; 汽水性の 関連する礁; 深さの範囲 0 - 180 m (Ref. 37816), usually 10 - 70 m (Ref. 30573). Tropical; 31°N - 33°S, 31°E - 128°W (Ref. 55)
Indo-Pacific: East Africa to the Marquesas and Line islands, north to the Ryukyu Islands, south to Australia. More common around oceanic islands than in continental areas.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 42.9, range 39 - ? cm
Max length : 90.0 cm TL オス/雌雄の選別がない; (Ref. 9987); common length : 76.0 cm SL オス/雌雄の選別がない; (Ref. 37816); 最大公表体重: 12.5 kg (Ref. 4699); 最大記録サイズ: 55 年 (Ref. 72420)
背面の脊椎 (合計) : 10; 背鰭 (合計) : 13 - 14; 肛門の骨: 3; 臀鰭: 8. This species is distinguished by the following characters: moderately deep body, its greatest depth 2.4-2.9 in SL; distinct groove or pit from nostrils to the front of the eye; preopercular notch and knob moderately developed; vomerine tooth patch narrow crescentic, without a medial posterior extension; gill rakers of first gill arch 6-7 + 16 = 22-23 (including rudiments). Colour of body dark reddish-brown with faint dark stripes; young and some adults with two silvery-white spots on back; pectoral fins pink with dorsal edge prominently black; juveniles sometimes have caudal end of body and the tail white. mimicking Chromis damselfishes (Ref. 9821, 90102).
Adults inhabit coral reefs, including sheltered lagoons and outer reefs (Ref. 30573). Usually found singly, often adjacent to steep outer reef slopes, but occasionally found in groups (Ref. 9710). Feeds mainly on fishes, but also take shrimps, crabs, amphipods, stomatopods, gastropods and urochordates. Large fish from oceanic areas in the western Pacific are often ciguatoxic, e.g., in Tuvalu (Ref. 9513). Caught mainly with handlines and bottom longlines (Ref. 9821). Utilized fresh and dried-salted (Ref. 9987). Juveniles mimic Chromis damselfishes (Ref. 90102). Minimum depth reported taken from Ref. 128797.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Allen, G.R., 1985. FAO Species Catalogue. Vol. 6. Snappers of the world. An annotated and illustrated catalogue of lutjanid species known to date. FAO Fish. Synop. 125(6):208 p. Rome: FAO. (Ref. 55)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
人間に対する脅威
Reports of ciguatera poisoning (Ref. 4690)
Human uses
水産業: 商業; ゲームフィッシュ: はい
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 24.5 - 29, mean 28 °C (based on 2402 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00895 - 0.02033), b=2.99 (2.87 - 3.11), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 4.3 ±0.5 se; based on diet studies.
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (K=0.11-0.33; tmax=13).
Prior r = 0.41, 95% CL = 0.27 - 0.61, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (68 of 100).
Climate Vulnerability (Ref.
125649): Very high vulnerability (85 of 100).
Nutrients (Ref.
124155): Calcium = 18.4 [11.0, 26.7] mg/100g; Iron = 0.245 [0.156, 0.388] mg/100g; Protein = 18.8 [17.2, 20.1] %; Omega3 = 0.142 [0.101, 0.196] g/100g; Selenium = 77.5 [48.8, 127.5] μg/100g; VitaminA = 130 [22, 516] μg/100g; Zinc = 0.44 [0.35, 0.59] mg/100g (wet weight); based on
nutrient studies.
