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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 1 - 40 m (Ref. 90102), usually 3 - 25 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115); 21°N - 30°S, 30°E - 116°E
Indian Ocean: East Africa to Sri Lanka and the Lesser Sunda Islands of southern Indonesia. The Red Sea record by Dor (1984, Ref. 2198) is an error.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 31.0 cm TL ذكر/ مختلط الجنس; (Ref. 3145); common length : 25.0 cm TL ذكر/ مختلط الجنس; (Ref. 3146)
الأشواك الظهرية (المجموع) : 9; الأشعة الظهرية الناعمة (المجموع) : 23 - 24; شوكة شرجية: 3; أشعه شرجية لينه: 22 - 23. Brown in color, specimens up to 12 cm SL with black horseshoe mark on shoulder region breaking into 2 horizontal curved bands in larger specimens; caudal spine surrounded by a black area which is then surrounded by a bluish white area; caudal fin with a white posterior border (Ref. 3145).
Inhabits lagoon and seaward reefs, 1 to over 20 m depth (Ref. 9710, 48637). Also found in slopes from silty inshore to outer reefs (Ref. 48637). Solitary or in groups (Ref. 90102). Sometimes occurs in small shoals. Grazes on benthic algae (Ref. 30573).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
IUCN Red List Status (Ref. 130435)
خطر للأنسان
Reports of ciguatera poisoning (Ref. 30298)
استخدامات بشرية
مصائد: تجاري; حوض مائي: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 29.1, mean 27.7 °C (based on 368 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).
مستوى غذائي (Ref.
69278): 2.0 ±0.00 se; based on food items.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
Nutrients (Ref.
124155): Calcium = 61.2 [25.6, 175.5] mg/100g; Iron = 0.758 [0.290, 1.831] mg/100g; Protein = 18.2 [16.9, 19.4] %; Omega3 = 0.103 [0.048, 0.218] g/100g; Selenium = 18.1 [6.3, 53.5] μg/100g; VitaminA = 40.8 [9.3, 162.9] μg/100g; Zinc = 2.84 [0.90, 5.24] mg/100g (wet weight);
