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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 / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 19.0 cm TL male/unsexed; (Ref.
9710
)
Dorsal
spines
(total): 11;
Dorsal
soft rays
(total): 22-25;
Anal
spines
: 3;
Anal
soft rays
: 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.
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
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=0.02239 (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
).
Trophic level (Ref.
69278
): 3.2 ±0.3 se; based on diet studies.
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
Price category (Ref.
80766
):
Unknown
.
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);
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Laguna, Philippines
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