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).
More on author: Randall.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 深度上下限 1 - 20 m (Ref. 90102). ; 20°N - 25°S, 35°E - 172°W
Western Indian Ocean: Mozambique (Ref. 41878). Indo-West Pacific: Seychelles (Ref. 10685), Philippines, Indonesia and Great Barrier Reef; recently found in Maldives. Reported from Malaysia (Ref. 5756) and Samoa (Ref. 592).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 45.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 48637); 最大年齡: 30 年 (Ref. 52229)
背棘 (總數) : 9; 背的軟條 (總數) : 25 - 26; 臀棘: 3; 臀鰭軟條: 23 - 24. Color in life dark brown; orange brown from pectoral base downward; caudal spine socket bright orange; orange blotch before and behind pupil; caudal fin base with a white band. Anterior gill rakers 20-23, posterior 24-28. Large caudal spine, 2.2 - 4.4 in head.
Adults inhabit shallow reefs, both in lagoons and outer reef areas. They frequently move in groups. Juveniles found between soft corals in lagoons at depths of up to 2 m (Ref. 9710, 48637). Adults in groups, often mixed with other similar species (Ref. 48637).
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: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 25.6 - 29.3, mean 28.5 °C (based on 2408 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01103 - 0.04981), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.1 se; based on size and trophs of closest relatives
Generation time: 1.6 ( 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 (tmax=30; K=0.67).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
Nutrients (Ref.
124155): Calcium = 57.6 [23.7, 169.7] mg/100g; Iron = 0.797 [0.301, 1.988] mg/100g; Protein = 18.4 [17.1, 19.6] %; Omega3 = 0.0927 [, ] g/100g; Selenium = 19 [7, 57] μg/100g; VitaminA = 26.1 [6.0, 106.8] μg/100g; Zinc = 2.6 [0.8, 4.9] mg/100g (wet weight);
