Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina; non migratori; distribuzione batimetrica 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).
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 6.0 cm TL maschio/sesso non determinato; (Ref. 4858)
Spine dorsali (totale) : 13; Raggi dorsali molli (totale) : 15; Spine anali: 3; Raggi anali molli: 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).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Allen, G.R., 1985. Butterfly and angelfishes of the world. Vol. 2. 3rd edit. in English. Mergus Publishers, Melle, Germany. (Ref. 4858)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di nessun interesse
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 25.8 - 29.4, mean 28.3 °C (based on 728 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [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).
Livello trofico (Fonte Biblio.
69278): 2.0 ±0.00 se; based on food items.
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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