Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển; Thuộc về nước lợ gần đáy; Mức độ sâu 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 / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 11.1  range ? - ? cm
Max length : 31.0 cm TL con đực/không giới tính; (Ref. 5217); common length : 20.0 cm TL con đực/không giới tính; (Ref. 3702); Khối lượng cực đại được công bố: 500.00 g (Ref. 5217)
Các tia vây lưng cứng (tổng cộng) : 11; Các vây lưng mềm (tổng cộng) : 24 - 26; Tia cứng vây hậu môn: 2; Tia mềm vây hậu môn: 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
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
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)
Threat to humans
Harmless
Human uses
Các nghề cá: Tính thương mại; mồi: occasionally
Các công cụ
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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 - 0.00948), b=3.09 (3.07 - 3.11), in cm total length, based on LWR estimates for this species (Ref.
93245).
Mức dinh dưỡng (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.
Thích nghi nhanh (Ref.
120179): Chiêù cao, thời gian nhân đôi của chủng quần tối thiểu là dưới 15 tháng (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);