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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
More on author: Ahl.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 1 - 15 m (Ref. 1602), usually 3 - 15 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115); 31°N - 15°S, 72°E - 157°W
Indo-West Pacific: Maldives (Ref. 30829); then from the Andaman Sea (Ref. 9710) and Christmas Island in the eastern Indian Ocean to the Philippines and the Line Islands, north to the Ryukyu Islands, south to Samoa.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm SL ذكر/ مختلط الجنس; (Ref. 48637)
الأشواك الظهرية (المجموع) : 9; الأشعة الظهرية الناعمة (المجموع) : 24 - 26; شوكة شرجية: 3; أشعه شرجية لينه: 22 - 24. Brown in color when preserved; a black bar on upper edge of gill opening; head spotted; a less intense dark mark just behind the eye, connected narrowly with the dark bar; a dark brown region around the caudal spine; outer third of upper pectoral rays pale yellow. Large adults develop a distinctly convex head profile (Ref. 1602). Gill rakers on anterior row:19-23, on posterior row: 21-24.
Inhabits clear outer reef flats and seaward reefs (Ref. 9710). Benthopelagic (Ref. 58302). Solitary or in small wide-ranging groups (Ref. 9710). Usually in schools of mixed similar species when grazing algae (Ref. 48637).
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)
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): 25.4 - 29.2, mean 28.6 °C (based on 1280 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): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
Nutrients (Ref.
124155): Calcium = 51.8 [22.2, 155.3] mg/100g; Iron = 0.69 [0.26, 1.67] mg/100g; Protein = 18.2 [16.9, 19.4] %; Omega3 = 0.0881 [, ] g/100g; Selenium = 15.2 [5.2, 42.0] μg/100g; VitaminA = 41.7 [9.6, 164.6] μg/100g; Zinc = 2.78 [0.87, 5.21] mg/100g (wet weight);
