Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; saumâtre récifal; profondeur 1 - 50 m (Ref. 28016), usually 1 - 12 m (Ref. 90102). Tropical; 30°N - 6°S, 19°E - 112°E
Indiant Ocean: from East Africa, Seychelles, Comoro Islands, Madagascar, Reunion, Mauritius and Rodriquez Island; East Andaman Sea off Thailand and Myanmar; Bali, Indonesia.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm SL mâle / non sexé; (Ref. 1419); common length : 30.0 cm TL mâle / non sexé; (Ref. 2871); âge max. reporté: 2.50 années (Ref. 42001)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 13 - 14; Rayons mous dorsaux (Total) : 10; Épines anales: 7; Rayons mous anaux: 9 - 10; Vertèbres: 23. Coloration highly variable; influenced by substrate's color and mood of the fish. Upper greenish to sandy brown, paler below. Color patterns extend to the fins. Spines slender, pungent and venomous. Preopercular angle 88°-98°; cheeks with few scales; midline of thorax without scales between pelvic ridges. Long flap of anterior nostril shortens with increasing age.
Inhabits inshore areas and inner reefs (Ref. 9710). Often occurs among seagrasses to browse on 'aufwuchs'. Forms schools. A food fish that is occasionally poisonous (Ref. 4537).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Woodland, D.J., 1990. Revision of the fish family Siganidae with descriptions of two new species and comments on distribution and biology. Indo-Pac. Fish. (19):136 p. (Ref. 1419)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 28.9, mean 27.5 °C (based on 745 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.01030 - 0.02933), b=2.95 (2.81 - 3.09), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.3 ±0.2 se; based on diet studies.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (tmax=2.5).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
Nutrients (Ref.
124155): Calcium = 32 [16, 70] mg/100g; Iron = 0.634 [0.315, 1.310] mg/100g; Protein = 19.3 [18.1, 20.5] %; Omega3 = 0.149 [0.085, 0.263] g/100g; Selenium = 23.1 [10.2, 49.1] μg/100g; VitaminA = 39 [12, 120] μg/100g; Zinc = 1.57 [0.64, 3.06] mg/100g (wet weight); based on
nutrient studies.