Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Sciaenidae
(Drums or croakers)
Etymology: Cynoscion: Greek, kyon = dog + Greek, odous = teeth + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
Environment / Climate / Range
Marine; freshwater; brackish; demersal; oceanodromous (Ref. 51243); depth range 1 - 20 m (Ref. 3702). Subtropical; 12°N - 40°S, 78°W - 30°W
Length at first maturity / Size / Weight / Age
Maturity: Lm 42.7  range ? - ? cm
Max length : 110 cm TL male/unsexed; (Ref. 40637); common length : 45.0 cm TL male/unsexed; (Ref. 3702); max. published weight: 17.0 kg (Ref. 40637)
soft rays: 7 - 9. Body nearly uniform silvery, dark greenish above. Without conspicuous spots on side but with diffuse dark areas along base of dorsal fin and on margin of spinous dorsal fin, ventral side of head, lower margin of pectoral, pelvic, and caudal fins often yellowish orange. Inside of opercle dusky. Mouth large, oblique. Lower jaw slightly projecting. Upper jaw with a pair of large canine-like teeth at tip. Lower jaw with a row of enlarged inner-row teeth, gradually increasing in size posteriorly. Chin without barbels or pores. Snout with 2 marginal pores. Pectoral fins about equal in length to pelvic fins. Gas bladder with a pair of long, straight, horn-like appendages. Sagitta earstone thin and elongate. Soft portion of dorsal fin unscaled except 2 or 3 rows of small scales along its base (Ref 51271).
Western Atlantic: Panama to Argentina.
Forms schools (Ref. 35237). Found over mud or sandy mud bottoms near mouths of rivers. Juveniles are restricted to brackish and fresh waters. Feeds on shrimps and fishes. Important food fish (Ref. 3702).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: commercial; gamefish: yes; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00485 - 0.01082), b=3.07 (2.95 - 3.19), based on LWR estimates for this species & Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.1 ±0.70 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.27).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (45 of 100) .