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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: Valenciennes.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 2 - 18 m (Ref. 42056), usually 9 - 12 m (Ref. 42056). Tropical; 15°N - 25°S, 150°E - 78°W
Pacific Ocean: Marshall, Caroline, Kiribati, Tuvalu, Johnston, Marquesas; including Clipperton Atoll, Cocos and Gorgona islands. Society and Line Islands (Ref. 37792).
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 27.0 cm TL ذكر/ مختلط الجنس; (Ref. 9710); أعلا وزن تم نشرة: 410.75 g (Ref. 124696)
الأشواك الظهرية (المجموع) : 8; الأشعة الظهرية الناعمة (المجموع) : 26 - 29; شوكة شرجية: 3; أشعه شرجية لينه: 24 - 26. Lower lip papillate posteriorly. Gill rakers on anterior row 26-29, on posterior row 34-37. Has brilliant blue spots covering the head, body, and pectoral fins and blue longitudinal pinstripes on the dorsal, anal and caudal fins (Ref 1602). Anterior dorsal soft rays longer than posterior (Ref 42056).
Body shape (shape guide): short and / or deep.
Inhabits shallow seaward reefs (Ref. 9710). Small schools may also be found in relatively turbulent waters of the surge zone (Ref. 9267). Benthopelagic (Ref. 58302). Feeds on film algae (Ref. 89972).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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 2025-1)
استخدامات بشرية
مصائد: تجاري; حوض مائي: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 25.5 - 29.4, mean 28.8 °C (based on 220 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02138 (0.01238 - 0.03691), b=2.94 (2.79 - 3.09), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (مرجع
69278): 2.0 ±0.00 se; based on food items.
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
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Nutrients (Ref.
124155): Calcium = 31.9 [19.2, 53.3] mg/100g; Iron = 0.234 [0.125, 0.576] mg/100g; Protein = 18.2 [16.9, 19.4] %; Omega3 = 0.111 [0.071, 0.180] g/100g; Selenium = 18.1 [10.4, 33.5] μg/100g; VitaminA = 43.8 [10.2, 171.2] μg/100g; Zinc = 0.375 [0.278, 1.286] mg/100g (wet weight);
