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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
More on author: Bloch.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 2 - 25 m (Ref. 7345), usually 2 - 15 m (Ref. 27115). Subtropical; 22°C - 25°C (Ref. 27115); 43°N - 30°S, 98°W - 14°W (Ref. 55164)
Western Atlantic: Massachusetts (USA), Bermuda, and the northern Gulf of Mexico to São Paulo, Brazil. Eastern Atlantic: Senegal.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm ?, range 17 - ? cm
Max length : 39.0 cm TL mannelijk / geslacht onbekend; (Ref. 47377); common length : 35.0 cm TL mannelijk / geslacht onbekend; (Ref. 5217); max. gepubliceerd gewicht: 5.1 kg (Ref. 40637)
Dorsale stekels (totaal) : 9; Dorsale zachte stralen (totaal) : 24 - 25; Anale stekels: 3; Anale zachte stralen: 22 - 23. Caudal fin slightly emarginate (Ref. 13442). Body gray, with 10 well-spaced, narrow, darker gray vertical bars on side (Ref. 26938).
Inhabits shallow reefs or rocky areas. Found in loose aggregations (Ref. 9710). Mainly diurnal. Ingests sand when feeding on algae (Ref. 13442). The spine on both sides of the caudal peduncle may inflict painful wounds (Ref. 5217). Minimum depth reported from Ref. 27115. Larvae are planktonic (Ref. 47377). At Fernando de Noronha Archipelago in southwestern Atlantic, juveniles hold cleaning stations together with the blue tang (Acanthurus coeruleus) and sergeant major (Abudefduf saxatilis) and graze algae as well as pick molted skin and parasites from green turtles (Chelonia mydas). This behavior is preceded by a characteristic inspection usually followed by feeding nips on the turtles’ skin (head, limbs, and tail), as well as on the carapace. The most inspected and cleaned body parts are the flippers (Ref. 51385).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Traumatogenic (Ref. 5217)
Gebruik door de mens
Visserij: van minder commercieel belang; Aquarium: Commercieel
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 26.1 - 28, mean 27.4 °C (based on 769 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01789 - 0.02676), b=2.95 (2.91 - 2.99), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.1 ±0.1 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.25-0.50).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).
Nutrients (Ref.
124155): Calcium = 39.8 [15.6, 133.0] mg/100g; Iron = 0.822 [0.286, 2.182] mg/100g; Protein = 19.1 [17.8, 20.4] %; Omega3 = 0.146 [0.063, 0.347] g/100g; Selenium = 8.83 [2.71, 27.87] μg/100g; VitaminA = 17.5 [3.7, 82.5] μg/100g; Zinc = 1.78 [0.55, 3.61] mg/100g (wet weight);
