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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
Ecologia
marinhas associadas(os) a recifes; intervalo de profundidade 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.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 31.0 cm TL macho/indeterminado; (Ref. 3145); common length : 25.0 cm TL macho/indeterminado; (Ref. 3146)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 9; Raios dorsais (total) : 23 - 24; Espinhos anais: 3; Raios anais : 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).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Reports of ciguatera poisoning (Ref. 30298)
Uso pelos humanos
Pescarias: espécies comerciais; Aquário: Espécies comerciais
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 29.1, mean 27.7 °C (based on 368 cells).
Índice de diversidade filogenética (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).
Nível Trófico (Ref.
69278): 2.0 ±0.00 se; based on food items.
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (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);
