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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Cynoscion: Greek, kyon = dog + Greek, odous = teeth + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο βενθικό(ς); εύρος βάθους ? - 30 m (Ref. 3702). Tropical; 15°N - 29°S, 78°W - 34°W
Western Atlantic: Venezuela to Santos, Brazil.
Length at first maturity / Μέγεθος / Βάρος / Age
Maturity: Lm 32.1 range ? - ? cm
Max length : 92.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3702); 78.0 cm TL (female); common length : 50.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3702); μεγ. δημοσιευμένο βάρος: 3.0 kg (Ref. 5217)
Ραχιαίες άκανθες (συνολικά) : 11; Μαλακές ραχιαίες ακτίνες (συνολικά) : 22 - 25; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 8 - 10. Silvery greenish to greyish on back, whitish on belly. Tip of dorsal fin darkish. Upper rays of pectoral fins, anterior part of anal fin and caudal fin yellowish. Mouth large, oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Gradually increasing in size posteriorly. Chin without barbel or pore, snout with 2 marginal pores. Gas bladder with a pair of long and straight horn-like appendages. Scales very small, all cycloid (smooth) with 140 or more transverse scales above lateral line. Soft portion of dorsal fin covered with scales beyond basal half of fin (Ref 51721).
Usually found over mud and sandy bottoms in river estuaries and in marine areas from the coastline to about 30 m depth. Marketed mostly fresh.
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Chao, L.N., 1978. Sciaenidae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. West Atlantic (Fishing Area 31). Volume 4. FAO, Rome. (Ref. 3702)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 24.1 - 28, mean 27.5 °C (based on 306 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00480 - 0.01093), b=3.07 (2.95 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 4.0 ±0.7 se; based on size and trophs of closest relatives
Generation time: 7.3 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Ελαστικότητα (Ref.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (57 of 100).
