Common names from other countries
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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
More on author: Ahl.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Cùng sống ở rạn san hô; Mức độ sâu 1 - 15 m (Ref. 1602), usually 3 - 15 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115); 31°N - 15°S, 72°E - 157°W
Indo-West Pacific: Maldives (Ref. 30829); then from the Andaman Sea (Ref. 9710) and Christmas Island in the eastern Indian Ocean to the Philippines and the Line Islands, north to the Ryukyu Islands, south to Samoa.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL con đực/không giới tính; (Ref. 48637)
Các tia vây lưng cứng (tổng cộng) : 9; Các vây lưng mềm (tổng cộng) : 24 - 26; Tia cứng vây hậu môn: 3; Tia mềm vây hậu môn: 22 - 24. Brown in color when preserved; a black bar on upper edge of gill opening; head spotted; a less intense dark mark just behind the eye, connected narrowly with the dark bar; a dark brown region around the caudal spine; outer third of upper pectoral rays pale yellow. Large adults develop a distinctly convex head profile (Ref. 1602). Gill rakers on anterior row:19-23, on posterior row: 21-24.
Inhabits clear outer reef flats and seaward reefs (Ref. 9710). Benthopelagic (Ref. 58302). Solitary or in small wide-ranging groups (Ref. 9710). Usually in schools of mixed similar species when grazing algae (Ref. 48637).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Các nghề cá: Tính thương mại; Bể nuôi cá: Tính thương mại
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Estimates based on models
Preferred temperature (Ref.
115969): 25.4 - 29.2, mean 28.6 (based on 1280 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01103 - 0.04981), b=2.96 (2.79 - 3.13), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 2.0 ±0.00 se; based on food items.
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).