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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser riff-verbunden; tiefenbereich 5 - 20 m (Ref. 9710). Tropical; 12°S - 34°S, 142°E - 170°W
Western Pacific: the Great Barrier Reef, Chesterfield Islands and the Coral Sea, Vanuatu, New Caledonia, Loyalty Islands, Tonga and Samoa Islands.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 33.0 cm TL Männchen/unbestimmt; (Ref. 2334)
Rückenflossenstacheln (insgesamt) : 8 - 9; Rückenflossenweichstrahlen (insgesamt) : 22 - 33; Afterflossenstacheln: 2 - 3; Afterflossenweichstrahlen: 18 - 31; Wirbelzahl: 22. Body varying from light bluish grey to dark brown, without blue lines. Outer part of pectoral fins abruptly white, the demarcation curved such that pale area is broadest on central part of fin. Least depth of caudal peduncle 3.1 to 3.3 times in head length. Maximum standard length about 33 cm (Ref 9808).
Found off steep outer-reef escarpments. May be solitary but most commonly seen in small aggregations feeding on zooplankton well off the bottom.
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 28.4, mean 26.3 °C (based on 333 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00613 - 0.03255), b=3.00 (2.79 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.45 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).
Nutrients (Ref.
124155): Calcium = 54.5 [24.6, 203.9] mg/100g; Iron = 0.796 [0.280, 2.047] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.141 [0.062, 0.322] g/100g; Selenium = 12.8 [4.2, 42.7] μg/100g; VitaminA = 122 [48, 309] μg/100g; Zinc = 2.32 [0.73, 4.45] mg/100g (wet weight);
