Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; non migrateur (Ref. 52884); profondeur 22 - 80 m (Ref. 90102), usually 50 - 68 m (Ref. 9710). Tropical
Western Indian Ocean: known only from Mauritius, Reunion, Madagascar, Amirante, Christmas Island, and Cocos-Keeling Atoll south of Sumatra. Probably widely distributed around the islands of the tropical Indian Ocean.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 14.0 cm SL mâle / non sexé; (Ref. )
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 8; Rayons mous dorsaux (Total) : 18 - 20; Épines anales: 3; Rayons mous anaux: 14 - 15.
Body shape (shape guide): short and / or deep.
Not much is known of this deep-dwelling butterfly, but recent observations indicate that it can form small groups of up to 5 individuals and inhabits steep outer reef drop-offs in rubble areas or among growths of black coral and sea fans. Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Form pairs during breeding (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).
Allen, G.R., 1985. Butterfly and angelfishes of the world. Vol. 2. 3rd edit. in English. Mergus Publishers, Melle, Germany. (Ref. 4858)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02291 (0.01128 - 0.04653), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.5 ±0.37 se; based on food items. |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (18 of 100). 🛈 |