Shorefishes of the Greater Caribbean online information system

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Species: Grammonus claudei, Dusky Brotula, Reef-cave Brotula

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head partly scaled
dark + black fins
D & A join C
top jawbone - rear expanded
roof mouth - no side teeth
LL in = / > 2 series papillae

Grammonus claudei (de la Torre y Huerta, 1930)

Reef-cave Brotula, Dusky Brotula

Body and head compressed; body short and stubby; eye small; front nostril is immediately above the top lip; mouth opens at front, oblique; rear of top jawbone vertically expanded, usually with a pointed projection below; jaws with bands of simple teeth; roof of mouth with V shaped band of teeth at front, no teeth at sides of roof of mouth; no central tooth patch at bottom of gill arches; operculum with a short rear spine, preoperculum with two short projections at angle; dorsal and anal fins joined to tail fin; pelvics each reduced to one fine filament inserted under rear part of operculum; lateral line in two or more series of papillae, upper along upper front ¾ of body, lower along midbody from anal fin origin to tail; head and body covered with regularly overlapping scales except top of head and snout; male “penis” without bony accessory organs.

Head and body brown; vertical fins black, except brown on base at front.

Reaches 10 cm.

Lives in reefs and in caves along the shoreline.

Depth range: 6-280 m.

Bermuda, the Bahamas and Caribbean.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Reef only
  • Rocks
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Live birth
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Insular primarily
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 10
Depth Range Min
  • 6
Depth Range Max
  • 280