Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino associati a barriera corallina; amfidromo (Ref. 51243); distribuzione batimetrica ? - 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.
Length at first maturity / Size / Peso / Age
Maturity: Lm 28.6, range 19 - 35 cm
Max length : 60.0 cm FL maschio/sesso non determinato; (Ref. 1287); Età massima riportata: 7 anni (Ref. 1287)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 11 - 13; Spine anali: 0; Raggi anali molli: 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.
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Pesca: commerciale
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 18.4 - 29.1, mean 27.9 °C (based on 2178 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00451 - 0.00611), b=3.12 (3.08 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
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.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (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.
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (70 of 100).
Nutrients (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);
