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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
पारिस्थितिकी
समुद्री प्रवाल-भित्ति संयुक्त; गहराई सीमा 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.
आकार / वज़न / Age
Maturity: Lm ?  range ? - ? cm
Max length : 31.0 cm TL पुल्लिंग / अलिंग; (Ref. 3145); common length : 25.0 cm TL पुल्लिंग / अलिंग; (Ref. 3146)
पृष्ठीय रीढ़ (सम्पूर्ण) : 9; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 23 - 24; गुदा कांटा: 3; ऐनल सौफट रेज़: 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 | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा
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)
Threat to humans
Reports of ciguatera poisoning (Ref. 30298)
Human uses
मात्स्यिकी: व्यापारिक; जलजीवालय: व्यापारिक
साधन
Special reports
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इंटरनेट स्रोत
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).
Trophic level (Ref.
69278): 2.0 ±0.00 se; based on food items.
लौटाव (Ref.
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (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);