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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: Randall.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser riff-verbunden; tiefenbereich 0 - 45 m (Ref. 42056), usually 3 - 25 m (Ref. 27115). Tropical; 24°C - 27°C (Ref. 27115); 15°N - 19°S, 111°E - 167°W
Western Central Pacific: Indonesia, Philippines, Papua New Guinea, northern Great Barrier Reef, Solomon Islands, Palau, Vanuatu and Fiji. Recently recorded from Tonga (Ref. 53797).
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 16.0 cm SL Männchen/unbestimmt; (Ref. 48637)
Rückenflossenstacheln (insgesamt) : 8; Rückenflossenweichstrahlen (insgesamt) : 24 - 25; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 22 - 23. Margins of lips papillate. Only species of Ctenochaetus with angular dorsal and anal fins. Caudal fin of juveniles forked, of adults lunate. Gill rakers on anterior row 20-21, on posterior row 20. Outer soft portion of dorsal and anal fins orange (pale in preservative). Caudal fin white. Edge of lips crenulate. Upper teeth with 2 or 3 denticulations (not including tip). Anterior gill rakers 19-23 (Ref 42056).
Occurs singly or in small groups along steep coral-rich drop-offs of sheltered coasts (Ref. 48637). Feeds on algae and microfauna living in between the algae (Ref. 89999). Minimum depth reported taken from Ref. 128797.
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
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 Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell; Aquarium: Kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 26.7 - 28.9, mean 27.9 °C (based on 266 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 (0.01098 - 0.05004), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 41.8 [25.9, 70.7] mg/100g; Iron = 0.263 [0.142, 0.645] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.133 [0.085, 0.214] g/100g; Selenium = 19.8 [11.2, 35.6] μg/100g; VitaminA = 54.4 [12.5, 216.9] μg/100g; Zinc = 0.432 [0.317, 1.463] mg/100g (wet weight);
