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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Ctenochaetus: Greek, kteis, ktenos = comb + Greek, chaite = hair (Ref. 45335).
More on author: Bennett.
Issue
References with country records other than those from Hawaii and Johnston Islands refer to different species.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Cùng sống ở rạn san hô; Mức độ sâu 1 - 113 m (Ref. 42056). Tropical; 21°C - 27°C (Ref. 27115); 23°N - 16°N, 170°W - 154°W
Eastern Central Pacific: endemic to the Hawaiian Islands and Johnston Island.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 14.5 range ? - ? cm
Max length : 15.0 cm SL con đực/không giới tính; (Ref. 94645)
Các tia vây lưng cứng (tổng cộng) : 8; Các vây lưng mềm (tổng cộng) : 25 - 28; Tia cứng vây hậu môn: 3; Tia mềm vây hậu môn: 22 - 25. Yellow on edge of orbit broad and conspicuous (pale in preservative), especially posteriorly. Small spots on head blue, not extending onto anterior body or chest. Posterior gill rakers 30-36 (Ref 42056).
Benthopelagic over coral, rock, and rubble (Ref. 58302). Solitary. Mainly diurnal (Ref. 4887). Feeds on detritus by whisking its comb-like teeth over the bottom as it closes its mouth (Ref. 3921).
Spawn in pairs (Ref. 240).
Randall, J.E and K.D. Clements, 2001. Second revision of the surgeonfish genus Ctenochaetus (Perciformes: Acanthuridae), with descriptions of two new species. Indo-Pac. Fish. (32):33 p. (Ref. 42056)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Reports of ciguatera poisoning (Ref. 30298)
Human uses
Các nghề cá: Tính thương mại; Bể nuôi cá: Tính thương mại
Các công cụ
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 24.4 - 28.9, mean 27.4 °C (based on 382 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01408 - 0.03904), b=3.02 (2.88 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Thích nghi nhanh (Ref.
120179): Chiêù cao, thời gian nhân đôi của chủng quần tối thiểu là dưới 15 tháng (K=0.9).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
Nutrients (Ref.
124155): Calcium = 36.5 [21.5, 62.2] mg/100g; Iron = 0.234 [0.123, 0.562] mg/100g; Protein = 17.8 [16.5, 19.1] %; Omega3 = 0.145 [0.088, 0.239] g/100g; Selenium = 21.2 [11.4, 39.3] μg/100g; VitaminA = 69.9 [15.6, 295.7] μg/100g; Zinc = 0.43 [0.30, 1.45] mg/100g (wet weight);
