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Gymnothorax serratidens (Hildebrand and Barton, 1949)
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Gymnothorax serratidens
© Copyright Photographer/SFTEP, 2002 · 0
Gymnothorax serratidens

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Main identification features
  • side head - brown stripes
  • head, body, dorsal fin and a: large pale spots
  • teeth compressed, serrated
Skin of body and fins smooth; head small (12% of total length); snout wider than deep in cross-section; head and trunk about ½ total length; dorsal fin very low, its origin just before gill opening; eye small, over center of mouth; front nostril a tube about 2/3 length of eye; posterior nostril 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, teeth in single series on jaws, none at front of roof of mouth, a single row towards rear of roof of mouth; gill opening small (12% of total length).

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.

Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 50 m.
Depth Range Min: 1 m.
Diet: mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves; bony fishes.
Eastern Pacific Range: Northern limit=-2; Southern limit=-7; Western limit=-82; Eastern limit=-81; Latitudinal range=5; Longitudinal range=1.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: East Pacific endemic; Tropical Eastern Pacific (TEP) endemic; All species.
Habitat: Rocks; Reef associated (reef + edges-water column & soft bottom); Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 51 cm.
Regional Endemism: TEP endemic; Continent only; Continent; Panamic province endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;

Scientific source:

Links to other sites

  • Hildebrand , S.F. and Barton, O., 1949., A collection of fishes from Talara, Perú., Smithsonian Miscellaneus Collections, 111:1-36.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.


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