Green weakfish (Cynoscion virescens)

Scientific name: Cynoscion virescens Cuvier, 1830

Green weakfish (Cynoscion virescens)

The Green weakfish (Cynoscion virescens) is a brackish-water fish of the family Sciaenidae. Native range: Western Atlantic, Nicaragua to Santos, Brazil.

Biology

Dorsal spines (total): 11; Dorsal soft rays (total): 27-31; Anal spines: 2; Anal soft rays: 8. Greyish to brownish above, silvery below. Upper sides sometimes with inconspicuous minute dark dots. Dorsal fin dusky, its spinous portion black-edged. Soft dorsal fin with dark spots on each ray. Pectoral and pelvic fins as well as anal fin yellowish to orange. Caudal fin dusky. Inside mouth orange. Mouth large, distinctly oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Chin without barbels or pores. Snout with 2 marginal pores. Gas bladder with a pair of long, curved, horn-like appendages. Sagitta (large earstone) elongate, with a notch on dorsal margin. Soft portion of dorsal fin membranes unscaled except 2 or 3 rows of scales at base (Ref 51721).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Cynoscion virescens
Family
Sciaenidae (Drums or croakers)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
115
Common length
65.0
Depth range
6–70 m (20–230 ft)
Environment
Marine; brackish; demersal; depth range 6 - 70 m
Climate
Tropical
Distribution
Western Atlantic: Nicaragua to Santos, Brazil.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial; gamefish: yes
Resilience
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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