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Species: Gymnothorax eurygnathos, Wide-mouth moray

All Families:   All Genera:   All Species:

head large, wide
jaws short, wide
dark + pale lichen-like blotches
tail tip yellow

Gymnothorax eurygnathos Bohlke, 2001

Wide-mouth moray

Body stout, cylindrical; head large and broad (~ 14% of TL); snout short; jaws short and wide; teeth short, stout, triangular, serrated on both sides, partly in two rows on jaws; thorax swollen; origin of dorsal fin about over large gill opening; tail short (~ 42 % of TL).

Dark brown with pale brown to yellowish lichen-like blotches dispersed over body and dorsal and anal fins, smaller blotches densely covering head; tip of tail yellowish.

Reaches: 47 cm.

Habitat: soft bottoms.

Depth: 30-400 m.

The Gulf of California to El Salvador.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Mud
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Octopus/squid/cuttlefish
  • No Data
Egg Type
  • No data
  • Pelagic larva
  • Pelagic
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • All species
  • Continent only
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • Continental TEP endemic
  • Continent
  • TEP endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 47
Depth Range Min
  • 30
Depth Range Max
  • 400