Teleostei (teleosts) >
Acanthuriformes (Surgeonfishes) >
Pomacanthidae (Angelfishes)
Etymology: Genicanthus: Greek, geny, -yos = face, jaw + Greek, akantha = thorn (Ref. 45335).
More on author: Randall.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 20 - 174 m (Ref. 58302). Tropical; 30°N - 17°N
Eastern Central Pacific: endemic to the Hawaiian Islands. Have recently been reported from Midway Islands (Ref. 28620).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 21.0 cm TL male/unsexed; (Ref. 4858)
Sexes exhibit different coloration. Male pearly white with anterior portion of the head, from the snout to just behind the eye, yellow orange; anterior half of the caudal fin black; dorsal and anal fins white with a broad orange band distally; the pectoral and pelvic fins orange. Female pearly white with anterior portion of the head, from the snout to just behind the eye black or gray; anterior half of the caudal fin also black; distal portion of pelvic fins orange.
Inhabits seaward reefs (Ref. 9710). Benthopelagic over rock and sand (Ref. 58302). Minimum depth from Ref. 122680.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Allen, G.R., 1985. Butterfly and angelfishes of the world. Vol. 2. 3rd edit. in English. Mergus Publishers, Melle, Germany. (Ref. 4858)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest; aquarium: commercial
Tools
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 9.1 - 20.6, mean 14.1 °C (based on 19 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03090 (0.01378 - 0.06932), b=2.88 (2.69 - 3.07), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.7 ±0.31 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
Nutrients (Ref.
124155): Calcium = 60 [30, 94] mg/100g; Iron = 0.585 [0.356, 0.974] mg/100g; Protein = 18.1 [16.9, 19.3] %; Omega3 = 0.119 [0.074, 0.191] g/100g; Selenium = 37.8 [20.6, 69.9] μg/100g; VitaminA = 74.9 [19.1, 275.0] μg/100g; Zinc = 1.41 [0.97, 2.02] mg/100g (wet weight);
