Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin; saumâtre démersal; profondeur 1 - 60 m (Ref. 9626). Tropical; 21°N - 26°S, 90°W - 34°W
Western Atlantic: Antilles and Costa Rica to Rio de Janeiro, Brazil. Also Honduras (Ref. 26938).
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 11.1  range ? - ? cm
Max length : 31.0 cm TL mâle / non sexé; (Ref. 5217); common length : 20.0 cm TL mâle / non sexé; (Ref. 3702); poids max. publié: 500.00 g (Ref. 5217)
Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 24 - 26; Épines anales: 2; Rayons mous anaux: 7 - 8. Colour silvery grey, darker above. A dark spot at bases of pectoral fins. Pelvic and anal fins often yellowish. A medium-sized to small fish, short and robust. Mouth very large, strongly oblique, lower jaw projecting. Teeth very small and sharp, set in 1 or 2 rows along edges of jaws. Chin without barbels, but with 4 minute pores. Snout with 5 marginal pores, no rostral pores. Gas bladder with a pair of small, horn-like anterior appendages. Sagitta (large earstone) thick and short (Ref 51721).
Body shape (shape guide): fusiform / normal.
Inhabits coastal waters, usually found over mud and sandy mud bottoms (Ref. 3702). Also in estuaries (Ref. 3702). Important food fish.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Cervigón, F., 1993. Los peces marinos de Venezuela. Volume 2. Fundación Científica Los Roques, Caracas,Venezuela. 497 p. (Ref. 9626)
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; appât: occasionally
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00891 (0.00822 - 0.00966), b=3.09 (3.07 - 3.11), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.5 ±0.6 se; based on diet studies. |
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Generation time |
2.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (K=0.55;). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (25 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Medium.
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Nutriments (Ref. 124155) |
Calcium = 177 [103, 341] mg/100g; Iron = 1.15 [0.62, 2.00] mg/100g; Protein = 19.1 [18.0, 20.1] %; Omega3 = 0.248 [0.133, 0.412] g/100g; Selenium = 49.5 [27.5, 92.7] μg/100g; VitaminA = 20.4 [8.2, 54.9] μg/100g; Zinc = 1.45 [1.06, 2.05] mg/100g (wet weight); |