Acanthurus achilles, Achilles tang : fisheries, aquarium

Acanthurus achilles Shaw, 1803

Achilles tang
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Image of Acanthurus achilles (Achilles tang)
Acanthurus achilles
Picture by Malaer, P.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Acanthuriformes (Surgeonfishes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).  More on author: Shaw.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; seewasser riff-verbunden; tiefenbereich 0 - 10 m (Ref. 27115), usually 0 - 4 m (Ref. 9710).   Tropical; 28°N - 26°S, 143°E - 109°W

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Western Pacific: oceanic islands of Oceania to the Hawaiian and Pitcairn islands. Also known from Wake, Marcus, and Mariana islands. Eastern Central Pacific: southern tip of Baja California, Mexico (Ref. 9267) and other offshore islands.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 24.0 cm TL Männchen/unbestimmt; (Ref. 9710)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 9; Rückenflossenweichstrahlen (insgesamt): 29-33; Afterflossenstacheln 3; Afterflossenweichstrahlen: 26 - 29. Dark brown, nearly black in color. Erectile spine (sharp and forward-pointing) on each side of caudal peduncle which folds down into a groove. Mouth small, snout noticeably extended. Light blue ring around chin and presence of spot of same color on gill cover at angle of gill opening. Dorsal fin with soft part having longer base than spinous part. Juveniles lack the large orange spot on caudal area.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Occurs in clear seaward reefs, usually in groups (Ref. 9710). Benthopelagic (Ref. 58302). Feeds on filamentous and small fleshy algae (Ref. 9267). Monogamous (Ref. 52884). Spine in caudal peduncle may be venomous. Size of metamorphosis from postlarva stage to juvenile is 6 cm (Ref. 9267). This species sometimes hybridizes with A. nigricans (Ref. 9808).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Monogamous mating is observed as both facultative and social (Ref. 52884).

Hauptreferenz Upload your references | Referenzen | Koordinator : Randall, John E. | Partner

Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)

IUCN Rote Liste Status (Ref. 123251)

  nicht bedroht (LC) ; Date assessed: 03 May 2010

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Traumatogenic (Ref. 4690)





Nutzung durch Menschen

Fischereien: kommerziell; Aquarium: Kommerziell
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Estimates based on models

Preferred temperature (Ref. 115969): 25.8 - 28.3, mean 27.4 °C (based on 404 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01113 - 0.04936), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.0   ±0.00 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Verwundbarkeit (Ref. 59153):  Low vulnerability (24 of 100) .
Preiskategorie (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 80.3 [26.0, 191.8] mg/100g ; Iron = 0.956 [0.369, 2.460] mg/100g ; Protein = 18.5 [17.4, 19.7] % ; Omega3 = 0.117 [0.057, 0.241] g/100g ; Selenium = 18.2 [6.4, 51.8] μg/100g ; VitaminA = 27.6 [7.2, 101.8] μg/100g ; Zinc = 2.71 [0.85, 5.19] mg/100g (wet weight);