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; demersal; depth range 1 - 40 m (Ref. 35581). Subtropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 152 cm TL male/unsexed; (Ref. 2850); max. reported age: 30 years (Ref. 56049)
Morphology | Morphometrics
Eastern Pacific: Point Conception in California, USA to southern Baja California in Mexico. Also known from the Galapagos Islands (Ref. 35581).
Found common among rocks; lives in crevices or holes, usually with only head protruding. Very common in shallow reef areas (Ref. 35581). Feed mostly at night on crustaceans, octopuses and small fishes. Long-lived. Pelagic spawners (Ref. 56049).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 336 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Traumatogenic (Ref. 4690)
Fisheries: subsistence fisheries; aquarium: public aquariums
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 (2.92 - 3.28), based on LWR estimates for this Genus-BS (Ref. 93245
Trophic Level (Ref. 69278
): 4.5 ±0.8 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (tmax=30).
Vulnerability (Ref. 59153
): Very high vulnerability (77 of 100) .