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Species: Symphurus billykrietei, Chocolatebanded Tonguefish

All Families:   All Genera:   All Species:

5-8 bars; rear D & A - basal stripe; C base - dark spot
gut cavity black
D 89-95; A 76-84; C 12
eyes: length > width, close-set, no pupil cover
lateral scales 80-100

Symphurus billykrietei Munroe, 1998

Chocolatebanded Tonguefish

Body highly compressed, elongate, oval, tapers to pointed tail; body relatively deep; snout bluntly rounded; eyes small, longer than wide, with very small space between them; no cover over pupil; mouth small, arched (strongly on blind side), at front or a little under snout; eye-side lower jaw without fleshy crest; both eye-side jaws with 1 row of slender teeth, top jaw sometimes with teeth only along front ¾ of jaw; preopercle edge covered with skin; dorsal fin 89-95 rays; anal 76-84 rays; pectoral fins absent, represented by a fine membrane; only left pelvic fin present, 4 rays, on body midline, joined to anal fin by delicate membrane; dorsal and anal fins confluent with the pointed caudal fin; tail fin 12 rays; scales rough, on both sides; rays of dorsal and anal without scales on blind-side; 80-100 lateral scales; no lateral line.

Top side pale brown, 5-8 irregular dark crossbars, those on rear body usually incomplete; dorsal and anal pale at front, rear part with continuous narrow dark stripe along base of rays and membranes; tail fin with irregular-shaped spot on fin base, rest of fin unpigmented; blind side uniformly yellowish (no dark dots); lining of gut cavity black.

Size: 12.5 cm.

Habitat: mud bottoms.

Depth: 48-650 m, usually 200-380 m.

N Carolina to the Gulf of Mexico.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
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
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 12.5
Depth Range Min
  • 48
Depth Range Max
  • 650