Environment: milieu / climate zone / Tiefenbereich / distribution range
Ökologie
seewasser riff-verbunden; tiefenbereich 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).
Size / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 19.0 cm TL Männchen/unbestimmt; (Ref. 9710)
Rückenflossenstacheln (insgesamt) : 11; Rückenflossenweichstrahlen (insgesamt) : 22 - 25; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 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).
Body shape (shape guide): short and / or deep; Cross section: compressed.
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.
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Form pairs during breeding (Ref. 205).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Rote Liste Status (Ref. 130435: Version 2025-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell; Aquarium: Kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 25.4 - 29.3, mean 28.5 °C (based on 1964 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.3 se; based on diet studies.
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).
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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);
