Shorefishes of the Eastern Pacific online information system

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Species: Gymnothorax panamensis, Masked moray, Panamic moray

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eye in dark ring
both jaws: row white dots

Gymnothorax panamensis (Steindachner, 1876)

Masked moray, Panamic moray

Robust; head large, snout short, forehead profile oblique; teeth pointed and well developed; outer series of teeth in jaws triangular, compressed, bent abruptly backwards at tips, their rear margins serrate; 1 row of small but evident teeth on roof of mouth; front nostril tubular, posterior nostril not tubular, flush with top head profile; dorsal and anal fins covered with skin, but clearly evident; dorsal fin origin well in front of level of gill opening.

Medium brown, yellowish brown on head; eye surrounded by a wide dark brown ring; pores on jaws surrounded by white.

Size: grows to 75 cm.

Habitat: rocky bottoms.

Depth: 1-20 m.

The Gulf of California to Ecuador.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Corals
  • Reef (rock/coral/oyster)
  • Rocks
  • Reef only
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
Feeding Group
  • Data
  • Carnivore
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Data
Egg Type
  • Pelagic
  • No data
  • Pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • Island (s)
  • Continent + Island (s)
  • TEP endemic
  • Continent
  • All species
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • North Temperate (Californian Province &/or Northern Gulf of California)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Depth Range Min
  • 1
Depth Range Max
  • 20
Length Max
  • 75