分類 / Names
俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii
輻鰭魚綱 (條鰭魚) >
Perciformes (Perch-likes) >
Lutjanidae (Snappers) > Lutjaninae
Etymology: Lutjanus: Malay, ikan lutjan, name of a fish.
環境 / 氣候 / 範圍
生態學
; 海洋; 淡水; 半鹹淡水 礁區魚類; 深度上下限 4 - 180 m (Ref. 37816), usually 10 - 70 m (Ref. 30573). , preferred 28°C (Ref. 107945); 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 / 大小 / 重量 / 年齡
Maturity: Lm 42.9, range 39 - ? cm
Max length : 90.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9987); common length : 76.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 37816); 最大體重: 12.5 kg (Ref. 4699); 最大年齡: 55 年 (Ref. 72420)
背棘 (總數): 10; 背的軟條 (總數): 13-14; 臀棘 3; 臀鰭軟條: 8. Snout somewhat pointed. Dorsal profile of head rounded. Preorbital bone relatively broad; its width usually greater than eye diameter. A deep groove or pit runs from the nostrils to the front of the eye. Preopercular notch and knob moderately developed. Scale rows on back rising obliquely above lateral line. Young and some adults with two silvery-white spots on back. Large adults mostly plain red (Ref. 48635).
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). Feed 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). Utilized fresh and dried-salted (Ref. 9987). Juveniles mimic Chromis damselfishes (Ref. 90102).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
CITES (Ref. 94142)
Not Evaluated
人類使用
漁業: 商業性; 游釣魚種: 是的
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00825 - 0.01921), b=3.00 (2.88 - 3.12), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.3 ±0.5 se; Based on diet studies.
回復力 (Ref.
69278): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.11-0.33; tmax=13).
Prior r = 0.23, 2 SD range = 0.07 - 0.74, log(r) = -1.47, SD log(r) = 0.59, Based on: 1 K, 3 tgen, 1 tmax, records
瀕危性 (Ref.
59153): High to very high vulnerability (69 of 100) .
