Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 0 - 30 m (Ref. 128797). Tropical; 35°N - 29°S, 105°E - 137°W
Pacific Ocean: Indonesia to the Society Islands, north to southern Japan, south to Rowley Shoals and New Caledonia; throughout Micronesia. Reported from Christmas Island in the eastern Indian Ocean (Ref. 5439). Replaced by Heniochus pleurotaenia in the Indian Ocean (Ref. 37816).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 19.0 cm TL mannelijk / geslacht onbekend; (Ref. 9710)
Dorsale stekels (totaal) : 11; Dorsale zachte stralen (totaal) : 22 - 25; Anale stekels: 3; Anale zachte stralen: 17 - 18. This species is distinguished by the following characters: adults with a pair of prominent horns on the forehead, just above the eyes and a distinct protuberance on forehead; snout length 2.9-3.5 in HL; greatest body depth 1.3-1.5 in SL. Colour solid brown to blackish triangular area between white bands (2 white bands running from caudal peduncle and breast to each end of spinous section of dorsal fin) (Ref. 90102).
Occur in deep lagoons and steep outer reef slopes, with mixed algae and coral growth (Ref. 48636). Solitary or in small groups. Feed on corals and other invertebrates (Ref. 9710). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205). Maximum depth reported taken from Ref. 48636.
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Form pairs during breeding (Ref. 205).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang; Aquarium: Commercieel
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 25.4 - 29.3, mean 28.5 °C (based on 1964 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01117 - 0.04486), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.3 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 94.2 [49.4, 142.9] mg/100g; Iron = 0.789 [0.472, 1.271] mg/100g; Protein = 18.7 [17.5, 19.7] %; Omega3 = 0.115 [0.072, 0.179] g/100g; Selenium = 31.7 [18.1, 58.9] μg/100g; VitaminA = 47.7 [14.2, 157.0] μg/100g; Zinc = 1.37 [0.94, 1.96] mg/100g (wet weight);
