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Acanthuriformes (Surgeonfishes) >
Pomacanthidae (Angelfishes)
Etymology: Genicanthus: Greek, geny, -yos = face, jaw + Greek, akantha = thorn (Ref. 45335).
Eponymy: Jean-Baptiste Pierre Antoine de Monet, Chevalier de Lamarck (1744–1829), usually known simply as Lamarck, was a French naturalist and an early proponent of the idea that biological evolution occurred. [...] (Ref. 128868), visit book page.
More on author: Lacepède.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; non migrateur; profondeur 10 - 50 m (Ref. 90102). Tropical
Indo-West Pacific: Indo-Malayan region, eastward to Vanuatu, north to southern Japan, southward to the Great Barrier Reef.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 25.0 cm TL mâle / non sexé; (Ref. 48391)
Épines dorsales (Total) : 15; Rayons mous dorsaux (Total) : 15 - 16; Épines anales: 3; Rayons mous anaux: 16 - 17.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabit shallow reef crests and deep reefs adjacent to steep slopes. Form aggregations to feed in midwater well above the bottom; harems of 3-7 individuals. Feeds on plankton. Frequently exported through the aquarium trade (Ref. 48391).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 24.8 - 29, mean 28 °C (based on 618 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03020 (0.01316 - 0.06929), b=2.89 (2.70 - 3.08), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.4 ±0.45 se; based on food items.
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (15 of 100).
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Nutriments (Ref.
124155): Calcium = 55.8 [28.1, 86.2] mg/100g; Iron = 0.615 [0.376, 1.011] mg/100g; Protein = 18.3 [17.1, 19.4] %; Omega3 = 0.108 [0.066, 0.175] g/100g; Selenium = 28.4 [14.7, 54.5] μg/100g; VitaminA = 127 [35, 434] μg/100g; Zinc = 1.15 [0.78, 1.65] mg/100g (wet weight);