Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 3 - 120 m (Ref. 57925), usually 15 - 35 m (Ref. 47838). Tropical
Southeast Atlantic: Saint Helena and Ascension islands.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL maschio/sesso non determinato; (Ref. 4858)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 12; Raggi dorsali molli (totale) : 19; Spine anali: 3; Raggi anali molli: 15.
Occasionally encountered in shallower water in caves or at the bases of overhangs (Ref. 5288). Also occurs on seamounts (Ref. 057925). Usually occur in pairs, which browse over the rocky substratum in search of benthic invertebrates. Unknown to marine aquarium enthusiasts (Ref. 4858). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Form pairs during breeding (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).
Maugé, L.A., 1990. Chaetodontidae. p. 837-840. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6943)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesca: commerciale; Acquario: Commerciale
Strumenti
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01117 - 0.04486), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.37 se; based on food items.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 96.8 [49.3, 153.6] mg/100g; Iron = 0.82 [0.48, 1.39] mg/100g; Protein = 18.7 [17.5, 19.8] %; Omega3 = 0.14 [0.08, 0.24] g/100g; Selenium = 42.1 [22.7, 78.4] μg/100g; VitaminA = 49.3 [14.0, 173.4] μg/100g; Zinc = 1.33 [0.89, 1.91] mg/100g (wet weight);