Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο βενθικό(ς); εύρος βάθους 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).
Length at first maturity / Μέγεθος / Βάρος / Age
Maturity: Lm 11.1 range ? - ? cm
Max length : 31.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5217); common length : 20.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3702); μεγ. δημοσιευμένο βάρος: 500.00 g (Ref. 5217)
Ραχιαίες άκανθες (συνολικά) : 11; Μαλακές ραχιαίες ακτίνες (συνολικά) : 24 - 26; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 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).
Inhabits coastal waters, usually found over mud and sandy mud bottoms (Ref. 3702). Also in estuaries (Ref. 3702). Important food fish.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Cervigón, F., 1993. Los peces marinos de Venezuela. Volume 2. Fundación Científica Los Roques, Caracas,Venezuela. 497 p. (Ref. 9626)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά); δόλωμα: occasionally
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 28.1, mean 27.5 °C (based on 186 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00800 - 0.00949), b=3.09 (3.07 - 3.11), in cm total length, based on LWR estimates for this species (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.5 ±0.6 se; based on diet studies.
Generation time: 2.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).
Nutrients (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);
