Shorefishes of the Greater Caribbean online information system

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Species: Muraena robusta, Robust moray

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both nostrils tubular
head golden brown
inside mouth orange
body & fins - orange-grey + large dark to orange s
gill opening in black blotch

Muraena robusta Osório, 1911

Robust moray

Body robust; head large and thick; snout short, square; head and trunk 41-50% of TL; jaws not arched, mouth completely closable; both nostrils tubular, rear one over front edge of eye; jaw teeth slender, conical, in single row on each jaw; dorsal origin on head, before gill opening; gill opening a small slit on mid- side.

Brown with an orange tint; inside mouth orange; body and fins with many large dark blotches (orange brown at front, blackish at rear) separated by a network of pale lines; gill opening in a large black blotch.

Reaches 186 cm.


Depth range: 0-100 m, adults usually below 30 m.

Primarily an E Atlantic species; N Carolina to the S Caribbean.

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Species Data Create Report Export as Word File Export as Excel File
  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Reef only
  • Rocks
  • Corals
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
Egg Type
  • Pelagic
  • No data
  • Pelagic larva
Global Endemism
  • Transatlantic (East+West Atlantic)
  • Greater Caribbean non-endemic
Regional Endemism
  • GC non-endemic
  • Continent
  • Continent only
  • Extends North of GC
  • Vagrant
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Temperate (>35N)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 186
Depth Range Min
  • 0
Depth Range Max
  • 100