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Species: Cynoscion microlepidotus, Smallscale Weakfish

All Families:   All Genera:   All Species:

uniform color
D2 22-25, almost covered with scales
C angular point
inner lower teeth: rear larger, widely spaced
A 8-10
pectoral < pelvic
body scales v small, smooth, < LL scales

Cynoscion microlepidotus (Cuvier in Cuvier & Valenciennes, 1830)

Smallscale 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 towards rear; gill rakers long and slender, 8-11; 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, 22-25; anal rays II, weak spines, 8-10; pectoral fins < pelvic fins; rear margin of tail with blunt angular point; scales very small, all smooth, 140 transverse rows above lateral line; body scales smaller than lateral line scales; soft dorsal almost entirely covered with small scales; lateral line arched anteriorly and straight well before level of anus,extends to the center of the end of the tail fin.

Body uniform silvery, grey to greenish; whitish on belly; tip of spiny dorsal dark; upper rays of pectoral, front part of anal and tail yellowish.

Size: reaches 95 cm.

Inhabits sand and mud bottoms of coastal waters and estuaries.

Depth: 1-30 m.

Colombia to SE 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
  • Beach
  • 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)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 95
Depth Range Min
  • 1
Depth Range Max
  • 30