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Species: Bathycongrus dubius, Doubtful Conger, Dubious Conger

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rear nostril at mid-eye level
LL 25-36 pores before anus

Bathycongrus dubius (Breder, 1927)

Dubious Conger, Doubtful Conger

Elongate (body depth at anus 4-7% TL), compressed; body short, 34-40% of TL; head 37-49% of preanal length; tail only moderately tapering; tip of tail soft and flexible, with developed tail fin; snout thick, projecting a little before lower jaws; front nostril a small, short tube near front of snout; rear nostril a hole at mid-eye level; mouth wide, reaches back to under center of eye; lip flanges well developed on lower jaw, weak on top jaw; top lip with large pores; teeth on top jaws and on side of lower jaws not visible when mouth is closed; jaw teeth small, ~uniform in size, conical, in narrow bands, outer row slightly larger; teeth between front of top jaws similar to those on jaws, in a triangular patch of 3-4 rows, continuous with vomer teeth; vomer with an elongate, rounded patch of teeth at front, a row of larger teeth along center; gill openings separated below, extend ½ way up pectoral base; dorsal and anal fins with segmented rays, moderately deep, joined to tail fin; dorsal fin origin over rear ½ of pectoral fin; pectorals ~as long as mouth, elongate, pointed; lateral line complete, distinct, 25-36 pores before anus.

Preserved fish: brown, fins without black edges.

Reaches 45 cm

Lives on mud and sand bottoms.

Depth range 128-886 m

Georgia to Brazil.

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  • Marine
  • Marine Only
  • Inshore Only
  • Offshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • 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
  • Also in Brazil
  • Continent
  • Continent only
  • Extends South of GC
  • GC non-endemic
  • 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
  • 45
Depth Range Min
  • 128
Depth Range Max
  • 886