Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin; eau douce; saumâtre démersal; catadrome (Ref. 46888); profondeur 10 - ? m (Ref. 3791). Subtropical; 32°N - 51°S
Western Atlantic: Bermuda, Florida (USA), Bahamas, and throughout the Caribbean Sea to Argentina.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 35.0, range 40 - ? cm
Max length : 80.0 cm TL mâle / non sexé; (Ref. 5217); 69.0 cm TL (female); common length : 40.0 cm TL mâle / non sexé; (Ref. 5217); poids max. publié: 9.0 kg (Ref. 5217)
Épines dorsales (Total) : 5; Rayons mous dorsaux (Total) : 8; Épines anales: 3; Rayons mous anaux: 8.
Body shape (shape guide): fusiform / normal.
Inhabit coastal marine waters and brackish estuaries (Ref. 3791); also found in hyper-saline lagoons and may enter freshwater (Ref. 5217). Never far from the sea (Ref. 3791). Form sizeable schools (Ref. 3791). Appear to undergo trophic migrations along the coasts (Ref. 35237). Feed on organic detritus and filamentous algae (Ref. 9626). Oviparous, eggs are pelagic and non-adhesive (Ref. 205). Spawn several million eggs (Ref. 35237) at sea (Ref. 3791). Also caught with beach nets (Ref. 5217). Marketed fresh and salted (Ref. 5217). The roe is marketed salt-pickled and dried and considered a delicacy (Ref. 5217).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
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; Aquaculture: commercial; pêche sportive: oui
Outils
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 22.5 - 27.7, mean 25.5 °C (based on 280 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00905 - 0.01211), b=2.95 (2.92 - 2.98), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Réf.
69278): 2.0 ±0.00 se; based on food items.
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.11-0.3; tmax=10; assuming tm=2-3).
Prior r = 0.33, 95% CL = 0.22 - 0.50, Based on 7 data-limited stock assessments.
Vulnérabilité de la pêche (Ref.
59153): Moderate vulnerability (37 of 100).
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Vulnérabilité climatique (Ref.
125649): High vulnerability (57 of 100).
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Nutriments (Ref.
124155): Calcium = 152 [57, 453] mg/100g; Iron = 2.51 [0.46, 11.24] mg/100g; Protein = 19.8 [18.3, 21.2] %; Omega3 = 0.464 [0.221, 1.025] g/100g; Selenium = 60.8 [21.7, 208.2] μg/100g; VitaminA = 6.03 [1.72, 21.87] μg/100g; Zinc = 1.73 [0.83, 4.23] mg/100g (wet weight); based on
nutrient studies.
