Actinopterygii (ray-finned fishes) > Anguilliformes
(Eels and morays) > Muraenidae
(Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335).
Environment / Climate / Range
Marine; reef-associated; depth range 3 - 30 m (Ref. 90102). Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 180 cm TL male/unsexed; (Ref. 48635)
Morphology | Morphometrics
Recognized by its generally more white color and smaller and rounder spots (Ref. 48635).
Indo-West Pacific: Mauritius and the Comoros to the west Pacific.
Solitary among coral outcrops, often seen protruding head from shelter. Found in coastal reefs and outer slopes in 3-30 m (Ref 90102).
Böhlke, E.B., J.E. McCosker and D.G. Smith, 1999. Muraenidae. p. 1643-1657. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 3. Batoid fishes, chimaeras and bony fishes part 1 (Elopidae to Linophrynidae). FAO, Rome.
IUCN Red List Status (Ref. 90363)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00093 (0.00044 - 0.00197), b=3.10 (2.07 - 4.65), based on LWR estimates for this genus-BS (Ref. 93245
Trophic Level (Ref. 69278
): 4.3 ±0.7 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): High to very high vulnerability (70 of 100) .