Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; amphidrome (Ref. 51243); profondeur ? - 700 m (Ref. 100719), usually 20 - 60 m (Ref. 54876). Tropical; 30°N - 35°S, 32°E - 155°E
Indo-West Pacific: Red Sea and east coast of Africa (except Kenya), including Madagascar to the Persian Gulf, Arabian Sea (Ref. 9819), and further east to southeast Asia and Australia. Does not appear to occur in the central or eastern Pacific.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 28.6, range 19 - 35 cm
Max length : 60.0 cm FL mâle / non sexé; (Ref. 1287); âge max. reporté: 7 années (Ref. 1287)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 11 - 13; Épines anales: 0; Rayons mous anaux: 10 - 11. Body is cigar-shaped, rounded or slightly compressed; the head pointed and depressed; the snout broader than long. Color is generally brown above and silver below; the back with faint cross bands. The tips of the dorsal and pectorals and the lower caudal lobe blackish.
Body shape (shape guide): elongated; Cross section: circular.
Found on muddy bottoms (Ref. 30573) and trawling grounds (Ref. 58652). Adults feed on fishes, crustaceans, and squids (Ref. 30573). Sold fresh.
Cressey, R.F. and R.S. Waples, 1984. Synodontidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51). Volume 4. FAO, Rome. (Ref. 3520)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
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Estimations basées sur des modèles
Température préférée (Réf.
123201): 18.4 - 29.1, mean 27.9 °C (based on 2178 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00450 - 0.00612), b=3.12 (3.08 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Réf.
69278): 4.4 ±0.3 se; based on diet studies.
Generation time: 2.7 (2.0 - 6.9) years. Estimated as median ln(3)/K based on 34
growth studies.
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.08-0.44; tmax=7; Fec=91,389).
Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 1 full stock assessment.
Vulnérabilité de la pêche (Ref.
59153): Low to moderate vulnerability (28 of 100).
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Vulnérabilité climatique (Ref.
125649): High to very high vulnerability (70 of 100).
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Nutriments (Ref.
124155): Calcium = 28.4 [9.9, 60.3] mg/100g; Iron = 0.402 [0.142, 0.934] mg/100g; Protein = 15.3 [12.8, 17.7] %; Omega3 = 0.0709 [, ] g/100g; Selenium = 59.9 [23.1, 129.4] μg/100g; VitaminA = 84.7 [22.2, 290.6] μg/100g; Zinc = 0.71 [0.41, 1.07] mg/100g (wet weight);