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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 1 - 20 m (Ref. 90102). Tropical; 20°N - 25°S, 35°E - 172°W
Western Indian Ocean: Mozambique (Ref. 41878). Indo-West Pacific: Seychelles (Ref. 10685), Philippines, Indonesia and Great Barrier Reef; recently found in Maldives. Reported from Malaysia (Ref. 5756) and Samoa (Ref. 592).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 45.0 cm SL hane/ej könsbestämd; (Ref. 48637); rapporterad maxålder: 30 år (Ref. 52229)
Taggstrålar i ryggfenan (totalt) : 9; Mjukstrålar i ryggfenan (totalt) : 25 - 26; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 23 - 24. Color in life dark brown; orange brown from pectoral base downward; caudal spine socket bright orange; orange blotch before and behind pupil; caudal fin base with a white band. Anterior gill rakers 20-23, posterior 24-28. Large caudal spine, 2.2 - 4.4 in head.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Adults inhabit shallow reefs, both in lagoons and outer reef areas. They frequently move in groups. Juveniles found between soft corals in lagoons at depths of up to 2 m (Ref. 9710, 48637). Adults in groups, often mixed with other similar species (Ref. 48637).
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
Harmless
Mänskliga användningsområden
Fiskeri: 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 ±0.1 se; based on size and trophs of closest relatives |
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Generation time |
1.6 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (tmax=30; K=0.67). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (26 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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Näringsämnen (Ref. 124155) |
Calcium = 57.6 [23.7, 169.7] mg/100g; Iron = 0.797 [0.301, 1.988] mg/100g; Protein = 18.4 [17.1, 19.6] %; Omega3 = 0.0927 [, ] g/100g; Selenium = 19 [7, 57] μg/100g; VitaminA = 26.1 [6.0, 106.8] μg/100g; Zinc = 2.6 [0.8, 4.9] mg/100g (wet weight); |