Shorefishes of the Greater Caribbean online information system

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Species: Bembrops gobioides, Goby Flathead, Goby Duckbill

All Families:   All Genera:   All Species:

D1 2 front membranes & spine tips black
D2: black stripes - margin & base (interrupted)
D2 17
C top base black spot, rear edge black
A clear
top jaw tentacle moderate
LL 64-65

Bembrops gobioides (Goode, 1880)

Goby Flathead, Goby Duckbill

Head depressed; eye large, above, close-set; lower jaw strongly projecting, often with lower teeth exposed; top jawbone with a moderate (2.8 (2.0-3.7)% SL) rear tentacle; jaw teeth simple; teeth present on center and sides of roof of mouth; gill rakers 20 (17-22); 2 diverging spines at top of operculum, a 3rd at lower corner, with an elongate flap behind it, preoperculum with 2 broad spines at its angle; two dorsal fins, VI (front spines crowded), 2nd spine not elongate in male + 17 (rarely 16 or 18); anal fin 0, 18 (17-19); pectoral fin long and wide, 27 (26-30) rays; pelvic fins I, 5, under operculum, wide between those fins; tail fin straight, with 10-11 branched rays; scales rough on head and body; lateral line arched at front; a spine at front of lateral line, a prominent keel on first few lateral line scales; lateral line 64-65 (60-70) scales; scales absent from top surface of eye.

Tan above, pale below; a series of elongate dark blotches along mid flank; first dorsal fin with 1st 2 membranes and tips of membranes around spines III-VI black; 2nd dorsal fin with black outer 1/3 and broken black base; anal fin clear; tail fin with lower and rear margins black, a large black spot on its upper base in female; pectoral fin with a dark crescent at its base.

Reaches 25 cm.

On the bottom.

Depth range: 82-825 m.

New York to the southern Caribbean.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Mud
FishBase Habitat
  • Bathydemersal
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
  • Continent
  • Continent + Island (s)
  • Extends North of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 25
Depth Range Min
  • 82
Depth Range Max
  • 825