Actinopteri (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: Guichenot.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 1 - 40 m (Ref. 86942), usually - m (Ref. ). Subtropical; 0°C -
South Pacific: Subtropical waters from Lord Howe I. to South America.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 103 cm TL male/unsexed; (Ref. 101563)
Morphology | Morphometrics
Its coloration is mostly dark brown irregular blotches over a pale yellow background.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Francis, M.P. and J.E. Randall, 1993. Further additions to the fish faunas of Lord Howe and Norfolk Islands, Southwest Pacific Ocean. Pac. Sci. 47(2):118-135. (Ref. 8880)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 16.7 - 25.5, mean 22.6 °C (based on 224 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00062 (0.00039 - 0.00098), b=3.28 (3.15 - 3.41), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.1 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High vulnerability (64 of 100) .
Nutrients (Ref. 124155
): Calcium = 62.4 [34.6, 115.3] mg/100g ; Iron = 0.793 [0.482, 1.305] mg/100g ; Protein = 19.7 [17.6, 21.9] % ; Omega3 = 0.314 [0.153, 0.828] g/100g ; Selenium = 44.4 [23.3, 86.3] μg/100g ; VitaminA = 10.9 [3.0, 37.2] μg/100g ; Zinc = 0.638 [0.460, 0.906] mg/100g (wet weight);