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Species: Gunterichthys coheni, Cohen's brotula

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head scaleless
eyes small
LL 3 parts
C 14-15
rear nostril small

Gunterichthys coheni Moller, Schwarzhans and Nielsen, 2004


Cohen's brotula


Body elongate, compressed, decreasing to slender tail base; head large, deep; snout pointed; eyes small (1.5-2 % of SL); relatively narrow between eyes (< 4.4% of SL);  front nostril low on snout, closer to lip than is rear nostril, rear nostril small (~ ¼ eye diameter); top jaw with a knob at its lower rear corner that is before the top rear corner; large pores along lower and upper jaws, and on top of head, pore at top corner of operculum tubular; 3 pores at lower corner of preoperculum; opercular spine weak, covered with skin; front of roof of mouth with 10 strongly depressible teeth, and granular teeth at front; jaws with inner row pointed teeth that become larger towards front, and outer rows of granular teeth; upper part of first gill arch with 3 small knobs and 1 long raker, lower part with 4-5 long rakers and 7-8 small knobs;dorsal fin 74-77 rays, its origin above base of pectoral; anal 53-57 rays; tail fin 14-15 rays; dorsal and anal fins separate from tail; each pelvic fin consists of a filament inserted under gill cover and reaching 2/3 distance to anal fin; scales small, imbedded, covering body; head without scales; lateral line in 3 parts, top part (4 pores) between neck and dorsal fin; center part (15 pores) from above corner of opercle to just before anal fin origin, lower part (21 pores) from behind pectoral to rear end of body; male copulatory organs with a penis and 1 pair of large pseudoclaspers at its base, all covered by a fleshy hood.

Color of preserved fish: Uniform brown.

Depth: intertidal (5-7 m).

Habitat: on mud bottom.

Reaches at least 5.3 cm.

Known only from the shores of Panama Bay, Panama.

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  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Soft bottom only
  • Mud
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
Egg Type
  • Live birth
  • No pelagic phase
  • No pelagic larva
  • No data
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Panamic province endemic
  • TEP endemic
  • Continent
  • Continental TEP endemic
  • Continent only
  • All species
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 5.3
Depth Range Min
  • 0
Depth Range Max
  • 10