Actinopterygii (ray-finned fishes) > Anguilliformes
(Eels and morays) > Muraenidae
(Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335). More on author: Schultz.
Environment / Climate / Range
Marine; reef-associated; depth range 1 - 58 m (Ref. 58302). Tropical; 28°N - 25°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 90102)
soft rays: 0;
Vertebrae: 132 - 149. Golden in color with dark spot around gill opening (Ref. 3257). May also be variable from brown to bright golden yellow and eye with deep blue color (Ref. 48635). Has short conical teeth like those of G. fuscomaculatus and G. marshallensis (Ref. 37816).
Indo-Pacific: East Africa to the Marquesas and Mangaréva, north to the Hawaiian Islands, south to the Australs.
Benthic (Ref. 58302). Lives in holes and crevices of seaward reefs from the surge zone to over 26 m. Solitary and secretive in reef crevices; seldom seen (Ref 90102).
Chen, H.-M., K.-T. Shao and C.T. Chen, 1994. A review of the muraenid eels (Family Muraenidae) from Taiwan with descriptions of twelve new records. Zool. Stud. 33(1):44-64. (Ref. 6934)
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 3.7 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (16 of 100) .