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Species: Genyatremus cavifrons, Torroto Grunt

All Families:   All Genera:   All Species:

deep oval
depression before eye
D XIII (5th longest), 12
soft D & A: no scales
silvery, fins yellow
chin - no central groove

Genyatremus cavifrons (Cuvier, 1830)

Torroto Grunt

Body a deep oval, compressed; head small, blunt, depression before eye; rear margin of bone under eye concealed by scales; mouth large, low, ~horizontal; inside mouth not red; teeth in bands on jaws, outer ones larger, conical; 2 pores but no central groove on underside of chin; preopercle strongly serrated at angle; dorsal continuous, but not deeply notched, XIII, 12, 5th spine longest, forming a peak in center of fin; tail forked; anal fin III, 2nd spine strongest, 11 soft rays; scales small, in oblique rows above, horizontal rows below; scales over entire body and head except front of snout, lips and chin; soft dorsal and anal without scales; pored lateral line scales 51-53.

Body silvery, with a yellow cast; edge of preopercle yellow; dorsal fin with silver spines, black membranes, soft dorsal yellow; pectorals yellow; pelvics yellow with a black rear edge; anal fin yellowish; base of tail fin yellowish, rear edge black; sometimes a broad blackish area along side of body to tail base.

Reaches 37 cm.

Lives on soft bottoms, typically in brackish estuaries.

Depth range: 1-40 m, usually in < 20 m.

Venezuela 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 + Island (s)
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 37
Depth Range Min
  • 1
Depth Range Max
  • 40