Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; non migrateur; profondeur 6 - 40 m (Ref. 9710). Tropical
Western Indian Ocean: Somalia to East London, South Africa. Also around oceanic islands. Common off East Africa (Ref. 9710).
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 8.0 cm TL mâle / non sexé; (Ref. 5953)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Head, upper sides, dorsal, and caudal fins golden yellow; lower two-thirds of the body and the anal fin black with numerous close-set purple spots.
Inhabits areas with coral rubble and frequently occurs in small groups of up to about 10 individuals. Feeds on small invertebrates and algae (Ref. 5503). Spawns at sunset; male stimulating the emission of eggs with biting motions on female's abdomen; eggs released and abandoned in open water without any particular parental care (Ref. 5503). Popular aquarium fish in Natal. Occasionally exported from Kenya.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Bi-directional sex change has been confirmed for this species (Ref. 103751).
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)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt; Aquarium: Commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 27.8, mean 26.8 °C (based on 84 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03090 (0.01359 - 0.07026), 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 (Ref.
69278): 2.9 ±0.32 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 125 [61, 193] mg/100g; Iron = 0.772 [0.462, 1.296] mg/100g; Protein = 18.1 [16.9, 19.3] %; Omega3 = 0.126 [0.074, 0.209] g/100g; Selenium = 23.6 [12.5, 44.2] μg/100g; VitaminA = 114 [32, 393] μg/100g; Zinc = 1.86 [1.26, 2.70] mg/100g (wet weight);
