Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; non migrateur; profondeur 4 - 15 m (Ref. 1602). Tropical; 17°N - 24°S, 139°E - 133°W
Pacific Ocean: patchy distribution, from Johnston Atoll to the Society Islands, also reported from the Mariana and Admiralty Islands. Recently reported from Ouvéa Atoll, Loyalty Islands (Ref. 13236).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 6.0 cm TL mâle / non sexé; (Ref. 4858)
Épines dorsales (Total) : 13; Rayons mous dorsaux (Total) : 15; Épines anales: 3; Rayons mous anaux: 15. This species is distinguished by the following: lacrymal bone has 2 stout spines; 18 gill rakers; 2 dark blotches, one at the pectoral fin base and the other at the posterior basis of the dorsal fin; absence of dark patch above the pectoral fin (Ref. 53274). Body depth 1.9-2.0 in SL. Scales longitudinal series 44 (Ref. 90102).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabits dead coral and rubble reefs in clear lagoons and exposed seaward reefs (Ref. 1602). Benthopelagic (Ref. 58302). Extremely cryptic; never seen by divers except poison stations. Feeds on algae. Never exported through the aquarium trade (Ref. 48391).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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
Pêcheries: sans intérêt
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=0.02951 (0.01298 - 0.06710), 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) |
2.0 ±0.00 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 (15 of 100). 🛈 |