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Species: Cynoscion virescens, Green Weakfish

All Families:   All Genera:   All Species:

inside mouth orange
D2 27-31, 1-2 rows scales at base
C angular point
inner row teeth: distinctly larger, rear larger, widely spaced
A 8-9
pectoral > pelvic
body scales small, smooth, < LL scales

Cynoscion virescens (Cuvier in Cuvier & Valenciennes, 1830)

Green Weakfish

Elongate, fusiform, compressed, oval cross-section; head low, not spongy on top; eye moderate; mouth large, oblique, lower jaw slightly projecting; teeth in multiple rows with 1-2 large canines at tip of upper jaw, inner row of teeth on lower jaw widely spaced, enlarged, increasing in size to rear; gill rakers long 7-11; no pores or barbels on chin; 2 pores on side of snout; margin of preopercle smooth; top corner of gill opening notched; dorsal rays X + I, 27-31; anal rays II, weak spines, 8-9; pectoral fins slightly > pelvic fins; rear margin of tail pointed in juvenile, with asymmetric blunt point in adult; scales small, all smooth,~140 transverse rows above lateral line; body scales smaller than lateral line scales; soft dorsal with 1-2 rows of small scales along its base; lateral line arched anteriorly and straight well before level of anus, extends to the center of the end of the tail fin.

Body uniform grey above, silvery below; upper sides sometimes with tiny dark dots; edge of spinous dorsal black; soft dorsal with dark dots along each ray; pectorals, pelvics, anal fins yellowish to orangish; tail fin dusky; inside mouth orange.

Size: reaches 95 cm.

Inhabits sand and mud bottoms in coastal areas near river mouths; juveniles in estuaries.

Depth: 6-70 m.

Honduras to Brazil.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Estuary
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent only
  • Extends South of GC
  • GC non-endemic
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 95
Depth Range Min
  • 6
Depth Range Max
  • 70