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Species: Callechelys bilinearis, Twostriped snake eel

All Families:   All Genera:   All Species:

black + 3 white stripes
D high
tail < 40% TL, tip hard & finless
no pectorals
gill openings underneath

Callechelys bilinearis Kanazawa, 1952

Twostriped snake eel

Moderately elongate; head and body compressed, 62-72% of TL; head short; snout strongly pointed, a median groove on its underside extends to front nostrils, slightly overhanging mouth; anterior nostril tubular, rear nostril in top lip under eye, opens outside when mouth is closed, covered by a flap; teeth small, pointed, in 1 row on jaws (8-12 above, 12-19 below), 2-3 present between top jaws and 7-11 on roof of mouth; gill openings low on side, converging forwards; gill chamber an expanded pouch; dorsal and anal fins present; dorsal fin high, begins on head at or just behind eye, and ends a little before tail tip; tip of tail a hard finless point; pectorals absent; lateral line complete, lines of each side of head connected by 2 canals with across top of head.

Blackish, with 3 white stripes – along base of dorsal fin, along lateral line, and along lower gill chamber, side of belly and onto tail; belly yellowish; head and chin mottled to dark, pale areas yellow.

Reaches 173 cm.

Sandy bottoms; open and semi-protected beaches, largely limited to islands.

Depth range: 1-36 m.

Bermuda to Brazil and the S-central Atlantic islands.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef associated (reef + edges-water column & soft bottom)
  • Beach
  • Sand & gravel
  • Soft bottom only
  • Reef (rock/coral/oyster)
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Bony fishes
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Pelagic larva
  • Pelagic
Global Endemism
  • All species.
  • Transatlantic (East+West Atlantic)
  • Greater Caribbean non-endemic
Regional Endemism
  • Extends South of GC
  • Continent + Island (s)
  • Island (s)
  • Continent
  • All species..
  • GC non-endemic
  • Also in Brazil
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 173
Depth Range Min
  • 1
Depth Range Max
  • 36