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Species: Gymnothorax serratidens, Sawtooth moray

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side head - dark brown stripes
head, body, D & A: large pale spots

Gymnothorax serratidens (Hildebrand and Barton, 1949)

Sawtooth moray

Head small (12% of TL); snout wider than deep; head and trunk about ½ TL; eye small, over center of mouth; front nostril a tube about 2/3 length of eye; posterior nostril a hole at level of profile of head, just before front edge of eye; mouth straight, closes completely, lips with small papillae; teeth compressed, with broad bases, serrated on both sides, in single series on jaws, a single row towards rear of roof of mouth; gill opening small (12% of TL); dorsal fin very low, its origin just before gill opening; skin of body and fins smooth, without grooves.

Brown; sides of head with dark brown stripes that extend onto front of body and blend into reticulations behind gill opening; upper head and body with pale spots, mostly larger than eye, extending onto the dorsal and anal fins; front of dorsal fin with a pale edge.

Size: 51 cm.

Habitat: rocky reefs.

Depth: 1-50 m?

Ecuador and Peru.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Reef (rock/coral/oyster)
  • Reef only
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic gastropods/bivalves
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
Egg Type
  • Pelagic larva
  • Pelagic
  • No data
Global Endemism
  • East Pacific endemic
  • All species
  • TEP non-endemic
Regional Endemism
  • All species
  • Tropical Eastern Pacific (TEP) non-endemic
  • Temperate Eastern Pacific, primarily
  • Continent
  • Peruvian province, primarily
  • Continent only
  • Resident
Climate Zone
  • South Temperate (Peruvian Province )
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 51
Depth Range Min
  • 1
Depth Range Max
  • 50