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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; djupintervall 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.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 25.0 cm TL hane/ej könsbestämd; (Ref. 9710)
Taggstrålar i ryggfenan (totalt) : 8; Mjukstrålar i ryggfenan (totalt) : 23 - 33; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 28 - 29, mean 28.7 °C (based on 180 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.01098 - 0.04781), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (15 of 100).
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Näringsämnen (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);
