Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο βενθικό(ς); ωκεανόδρομο(ς) (Ref. 51243); εύρος βάθους 0 - 100 m (Ref. 115829), usually 0 - 30 m (Ref. 5217). Subtropical; 11°C - 31°C (Ref. 47167); 40°N - 34°S, 117°W - 34°W
Eastern Central Pacific: Baja California to Peru (Ref. 9330); Northwestern Central Atlantic: Canada (Ref. 5951) to Chesapeake Bay, USA to the Antilles and southern Brazil.
Length at first maturity / Μέγεθος / Βάρος / Age
Maturity: Lm 8.5, range 8 - ? cm
Max length : 21.3 cm TL αρσενικό/απροσδιόριστο; (Ref. 124487); common length : 15.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5217); μεγ. δημοσιευμένο βάρος: 64.40 g (Ref. 124487); μεγ. αναφερόμενη ηλικία: 1.21 έτη (Ref. 47359)
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 73 - 87; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 57 - 68.
Inhabits sandy and muddy bottoms (Ref. 9330). Common in estuaries (Ref. 9330). Feeds on big, benthic invertebrates and small fishes (Ref. 9330). Utilized fresh (Ref. 9330).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Oviparous (Ref. 101737). Distinct pairing (Ref. 205). Females produce numerous eggs in multiple spawnings during a prolonged spawning period (Ref. 101737).
Figueiredo, J.L. and N.A. Menezes, 2000. Manual de peixes marinhos do sudeste do Brasil. VI.Teleostei (5). Museu de Zoologia, Universidade de São Paulo. Brazil. 116 p. (Ref. 36453)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία: περιορισμένης εμπορικότητας
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 21.1 - 28, mean 25.7 °C (based on 862 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00661 - 0.01047), b=3.10 (3.03 - 3.17), in cm total length, based on LWR estimates for this species (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.5 ±0.1 se; based on diet studies.
Generation time: 2.4 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (tmax=1.2; k >0.3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
Nutrients (Ref.
124155): Calcium = 191 [89, 438] mg/100g; Iron = 1.64 [0.75, 3.24] mg/100g; Protein = 17.7 [15.6, 19.8] %; Omega3 = 0.244 [0.120, 0.523] g/100g; Selenium = 36.6 [16.0, 86.1] μg/100g; VitaminA = 4.61 [1.15, 21.44] μg/100g; Zinc = 1.06 [0.66, 1.63] mg/100g (wet weight);