分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335); xanthopterus: Name from Greek 'xanthos' for yellow and 'ptero' for fin; referring to the yellow color of the outer part of the pectoral fin (Ref. 37792).
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 深度上下限 1 - 100 m (Ref. 9267), usually 5 - 90 m (Ref. 27115). 24°C - 28°C (Ref. 27115); 35°N - 35°S, 23°E - 77°W
Indo-Pacific: coast of East Africa to the Hawaiian Islands and French Polynesia, north to southern Japan, south to the Great Barrier Reef and New Caledonia. Eastern Pacific: lower Gulf of California and Clipperton Island to Panama and the Galapagos Islands.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 70.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 4795); common length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 30573); 最大年齡: 29 年 (Ref. 127555)
背棘 (總數) : 8 - 9; 背的軟條 (總數) : 25 - 27; 臀棘: 3; 臀鰭軟條: 23 - 25. Body purplish gray when alive; grayish brown when preserved; a region of dull yellow in front of eye, a lesser extension posterior to lower part of eye; outer 1/3 of pectoral fin yellow, extreme distal part hyaline; dorsal and anal fins yellowish grey basally, dull yellow distally; caudal fin base whitish; caudal fin purplish. Anterior gill rakers 16-24, posterior 17-22. Caudal spine small.
Live in various reef habitats, sand slopes and lagoons (Ref. 48637). Juveniles inhabit shallow, protected, turbid inshore waters while adults prefer deeper areas of protected bays and lagoons. Also in outer reef areas (Ref. 1602). Benthopelagic (Ref. 58302). Schooling species, feed on diatoms, detritus film of sand, filamentous algae, hydroids, and pieces of fish (Ref. 1602, 48637). Probably the only surgeonfish that readily takes bait (Ref. 12484).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
人類使用
漁業: 低經濟; 水族館: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 23.3 - 29, mean 27.7 °C (based on 2980 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00613 - 0.03255), b=3.00 (2.79 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±0.23 se; based on food items.
Generation time: 3.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (K=0.287; Tmax=34).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
Nutrients (Ref.
124155): Calcium = 33.2 [15.3, 112.0] mg/100g; Iron = 0.603 [0.209, 1.707] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.143 [0.065, 0.314] g/100g; Selenium = 22.5 [7.9, 74.1] μg/100g; VitaminA = 46.5 [18.2, 115.5] μg/100g; Zinc = 2.15 [0.68, 3.89] mg/100g (wet weight);
