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Species: Thalassophryne megalops, Bigeyed Toadfish

All Families:   All Genera:   All Species:

eye large
upper back - 4 faint saddles
no spots body & fins
fin edges not pale
pectoral 13-15

Thalassophryne megalops Bean & Weed, 1910

Bigeyed Toadfish

Head broad and flattened, greatly depressed; eyes on top of head, upward looking, eye large, diameter 0.54-0.67% of SL, narrow between eyes; mouth wide; teeth are canines; gill openings restricted to side, before pectoral fin base; only one hollow spine on operculum, at top corner; 2 dorsal fins, II strong, sharp, hollow spines + 17-21; anal fin 16-20; both fins long based, low; pelvics I, 2-3, before pectoral base; pectorals 13-15 (usually 14) with glandular tissue scattered over outer part of fin; tail small, rounded; 1 lateral line, no light organs; no scales.

Body and fins without prominent spots; upper back with 4 faint dark saddles; no pale margin on fins.

Reaches 7.8 cm.

Lives on muddy bottoms.

Depth range: 8-183 m.

Panama to Venezuela; NE Honduras.

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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
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
Egg Type
  • Benthic
  • Data
  • No pelagic larva
  • No pelagic phase
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Caribbean endemic
  • Continent
  • Continent only
  • GC endemic
  • All species
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 7.8
Depth Range Min
  • 8
Depth Range Max
  • 183