Gymnothorax monostigma (Regan, 1909)
One-spot moray
Gymnothorax monostigma
photo by Randall, J.E.

Family:  Muraenidae (Moray eels), subfamily: Muraeninae
Max. size:  65 cm TL (male/unsexed)
Environment:  reef-associated; marine
Distribution:  Indo-Pacific Ocean: Maldives (Ref. 11303) and Christmas Island (Ref. 30874) to Caroline and Mariana islands, Papua New Guinea and Philippines to the Marquesas and Tuamoto islands.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0; Anal spines: 0-0; Anal soft rays: 0-0; Vertebrae: 129-133. Plain brown moray that has a distinctive dark ring around each eye that extends backwards as a rectangular blotch and white spots surrounding each mucus pore around the mouth. Description: Characterized by body depth at gill opening 16-20 in TL; origin of dorsal fin above or slightly anterior to gill opening; anus anterior to middle of body; compressed teeth in single row in jaws; without canines; front of upper jaw with three long teeth in inner row; two long teeth in inner row on each side at front of lower jaw; along posterior edge of teeth is serrate (Ref. 90102).
Biology:  Inhabits surge-swept seaward reefs (Ref. 1602). Mostly found in oceanic islands (Ref 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 18 August 2011 Ref. (130435)
Threat to humans:  harmless


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