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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 / गहराई सीमा / distribution range
पारिस्थितिकी
समुद्री प्रवाल-भित्ति संयुक्त; गहराई सीमा 2 - 30 m (Ref. 90102). Tropical; 24°N - 9°S, 71°E - 116°E
Indian Ocean: Bay of Bengal (Ref. 8940) and the Andaman Sea west to Maldives and Chagos Archipelago, and east to islands of southern Indonesia at least to Bali.
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 25.0 cm TL पुल्लिंग / अलिंग; (Ref. 9710)
पृष्ठीय रीढ़ (सम्पूर्ण) : 8; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 23 - 33; गुदा कांटा: 3; ऐनल सौफट रेज़: 22 - 29. Margin of caudal fin narrow and white. No orange area behind gill opening and extending ventrally behind base of pectoral fins (juveniles mimic the angelfish Centropyge eibli) (Ref 9808).
Body shape (shape guide): short and / or deep.
Occurs in shallow lagoon and seaward reefs, in areas of mixed coral, rock or sand. Juveniles mimic the cryptic Centropyge eibli (Ref. 9710, 48637).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Randall, J.E., 1993. Acanthurus tristis, a valid Indian ocean surgeonfish (Perciformes: Acanthuridae). Spec. Publ. J.L.B. Smith Inst. Ichth. (54):1-8. (Ref. 8940)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी: व्यापारिक; जलजीवालय: व्यापारिक
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (संदर्भ
123201): 28 - 29, mean 28.7 °C (based on 180 cells).
Phylogenetic diversity index (संदर्भ
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01118 - 0.04914), b=2.95 (2.78 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (संदर्भ
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
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Nutrients (Ref.
124155): Calcium = 71.5 [30.5, 207.8] mg/100g; Iron = 0.809 [0.309, 1.972] mg/100g; Protein = 18.1 [16.9, 19.4] %; Omega3 = 0.104 [0.048, 0.220] g/100g; Selenium = 16.6 [5.7, 49.5] μg/100g; VitaminA = 44.5 [10.5, 175.3] μg/100g; Zinc = 3.05 [0.96, 5.66] mg/100g (wet weight);
