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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; djupintervall 1 - 85 m (Ref. 1602), usually 1 - 85 m (Ref. 27115). Subtropical; 24°C - 28°C (Ref. 27115); 32°N - 28°S, 119°E - 109°W
Western Central Pacific: primarily anti-equatorial; Mariana Islands, southern Japan, Marcus Islands, and the Hawaiian Islands in the north and New Caledonia, Rapa (Austral Islands), and Tuamoto Islands, Pitcairn group, and Easter Island in the south.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 25.0 cm TL hane/ej könsbestämd; (Ref. 5450)
Taggstrålar i ryggfenan (totalt) : 9; Mjukstrålar i ryggfenan (totalt) : 25 - 27; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 23 - 25. A whitish bar broadly bordered by dark brown from origin of dorsal fin across operculum. Caudal fin without a white posterior margin. Caudal concavity 10.5 to 12 times in SL. Body depth 1.7 to 1.8 times in SL (Ref 9808).
Body shape (shape guide): short and / or deep.
Inhabits primarily boulder-strewn areas of surge zone and browses on filamentous algae (Ref. 9710). Benthopelagic (Ref. 58302). Often in schools (Ref. 9710). Minimum depth reported from Ref. 27115.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Reports of ciguatera poisoning (Ref. 31637)
Mänskliga användningsområden
Fiskeri: mindre kommeriell; Akvarium: Kommersiell
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02291 (0.01093 - 0.04802), 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) |
2.0 ±0.00 se; based on food items. |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (25 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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Näringsämnen (Ref. 124155) |
Calcium = 44.2 [17.3, 143.2] mg/100g; Iron = 0.811 [0.285, 2.086] mg/100g; Protein = 18.8 [17.5, 20.1] %; Omega3 = 0.173 [0.076, 0.406] g/100g; Selenium = 9.29 [2.97, 28.17] μg/100g; VitaminA = 26.4 [5.4, 123.6] μg/100g; Zinc = 1.97 [0.62, 4.02] mg/100g (wet weight); |