分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Acanthuriformes (Surgeonfishes)
鱸形目 (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes)
刺尾鯛科 (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Ctenochaetus: Greek, kteis, ktenos = comb + Greek, chaite = hair (Ref. 45335).
More on authors: Quoy & Gaimard.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 礁区鱼类; 深度上下限 0 - 60 m (Ref. 128797), usually 6 - 30 m (Ref. 58652). 热带; 24°C - 28°C (Ref. 27115); 35°N - 34°S, 99°E - 77°W
Indo-Pacific: throughout the region except the Hawaiian, Marquesas and Easter islands. Record from Baker Island (US Minor Islands) based on a photograph (Ref. 42056). Absent from Malden and Jarvis islands (Ref. 1602).
印度-太平洋: 在区域各处除了夏威夷语，马贵斯群岛与复活岛。 从以一张相片为依据的贝克岛 (美国较小的岛) 记录。 (参考文献 42056) 穆尔登岛与贾维斯岛没有出现。 (参考文献 1602)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 10 - ? cm
Max length : 26.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2334); common length : 18.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3146); 最大体重: 437.00 g (Ref. 125599); 最大年龄: 36 年 (Ref. 52229)
背棘 (总数) : 8; 背的软条 (总数) : 27 - 31; 臀棘: 3; 臀鳍软条: 24 - 28. This species is distinguished by the following characters: body deep and compressed, its depth 1.9-2.3 times in standard length or SL; mouth small, teeth numerous (> 30 in jaws of adults), movable, slender and elongate, with expanded incurved tips which are denticulate on the lateral margin (6 denticulations on upper and 4 on lower teeth); total gill rakers on first gill arch 27-36; a continuous unnotched dorsal fin with VIII,27-31; AIII,24-28; caudal fin lunate, concavity 3.7-6 times in SL; a lancet-like spine on caudal peduncle which folds into a deep horizontal groove; colour dark olive to yellowish brown with blue or blue-grey lengthwise lines on body and small orange spots on head and nape; dorsal and anal fins with about 5 lengthwise dark bluish bands; pectoral fins pale with brownish yellow rays; a small blackish spot at rear base of dorsal fin of juveniles and small adults (Ref. 9808).
身体深黄褐色。 在头部上的橘色的斑点。 胸鳍淡黄色的，尾部的与腹的鳍褐色, 尾鳍的前部灰白的。 尾梗两边具有锐利的,朝向前面的进入一个水平的凹槽之内摺叠下来的直立的硬棘。 鳞片细小的。 稚鱼有 8- 12 灰白的柄倾向向下的与向后在身体上。 齿可动的，细长的, 顶端内曲了而且扩大了; 上颌 5-6 小齿状突起, 低的只有 3-4. 在前面的列中鳃耙 27-36,29-42 在后列中。
Inhabits reef flats and lagoon and seaward reefs to a depth of over 30 m. Occurs over coral (Ref. 58534), rock, pavement, or rubble substrates. May occur singly or in small to very large, often mixed-species aggregations (Ref. 48637). Feeds on surface film of blue-green algae and diatoms (making this species a key link in the ciguatera food chain) as well as on various small invertebrates.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
In Tahiti, spawning starts near full moon with the formation of schools of several thousand fish at various depths. The fish remain almost motionless for between 1 to 3 hrs, then change their normal color to pale grey. About 4 or 5 fishes rise a few yards above main school and swim around each other discharging milt and eggs, then return to former place and replaced by another group to spawn.印度-太平洋: 在区域各处除了夏威夷语，马贵斯群岛与复活岛。 从以一张相片为依据的贝克岛 (美国较小的岛) 记录。 (参考文献 42056) 穆尔登岛与贾维斯岛没有出现。 (参考文献 1602)
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)
人类利用
渔业: 商业性; 水族馆: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 29, mean 27.8 °C (based on 1078 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 (0.01927 - 0.02851), b=2.97 (2.92 - 3.02), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 2.0 ±0.0 se; based on diet studies.
Generation time: 1.4 (1.1 - 2.7) years. Estimated as median ln(3)/K based on 14
growth studies.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (tmax = 36; K=0.87).
Prior r = 0.44, 95% CL = 0.29 - 0.66, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
Nutrients (Ref.
124155): Calcium = 35.1 [21.3, 58.3] mg/100g; Iron = 0.26 [0.14, 0.63] mg/100g; Protein = 18.2 [16.9, 19.4] %; Omega3 = 0.121 [0.078, 0.192] g/100g; Selenium = 22.9 [13.4, 41.9] μg/100g; VitaminA = 34.9 [8.0, 142.9] μg/100g; Zinc = 0.379 [0.285, 1.299] mg/100g (wet weight); based on
nutrient studies.
