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Actinopterygii (ray-finned fishes) > Anguilliformes (Eels and morays) > Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335); breedeni: Named for Vic. E, Breeden.. More on author: McCosker, Randall.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 4 - 40 m (Ref. 30874), usually ? - 20 m (Ref. 30404). Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: widespread in the Indian Ocean, ranging to some oceanic locations in the Pacific.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 100.0 cm TL male/unsexed; (Ref. 30874)

Short description Morphology | Morphometrics

Vertebrae: 128 - 131. Distinctive black patch mark below eye (Ref. 30404). Body brown, speckled darker; dark anus and gill opening (Ref. 3257).

Inhabits clear seaward reefs of oceanic islands to a depth over 25 m (Ref. 9710). Common on reef walls and steep slopes with holes (Ref. 30404). Inhabits porous coral rock which it shares with swarms of anthiases (Ref. 37816). Feeds on fishes and octopi (Ref. 89972). Territorial and will bite when provoked (Ref. 30404). Minimum depth reported taken from Ref. 9710.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Castle, P.H.J. and J.E. McCosker, 1986. Muraenidae. p. 165-176. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3257)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Traumatogenic (Ref. 30404)

Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

Gymnothorax breedeni McCosker & Randall, 1977