Teleostei (teleosts) > Anguilliformes
(Eels and morays) > Muraenidae
(Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; reef-associated; depth range 0 - 25 m (Ref. 37816). Tropical; 30°N - 24°S
Indo-Pacific: Red Sea and East Africa (Ref. 33390) to the Tuamoto Islands, north to the Ryukyu and Hawaiian islands, south to Australia. Eastern Central Pacific: Costa Rica and Panama (Ref. 9324) and the Galapagos (Ref. 2334).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 38.7 cm TL male/unsexed; (Ref. 90102)
Occurs in shallow lagoon and seaward reefs, primarily found in the surge zone (Ref. 9710). Benthic (Ref. 58302). Lives between rocks and corals.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 126983)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 25.5 - 29.3, mean 28.4 °C (based on 2903 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00071 (0.00046 - 0.00110), b=3.32 (3.19 - 3.45), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.8 ±0.65 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low to moderate vulnerability (29 of 100).
Nutrients (Ref. 124155
): Calcium = 50.9 [28.7, 105.3] mg/100g ; Iron = 0.528 [0.315, 0.939] mg/100g ; Protein = 18.9 [16.7, 21.5] % ; Omega3 = 0.123 [0.055, 0.358] g/100g ; Selenium = 28.9 [15.6, 58.5] μg/100g ; VitaminA = 84.5 [25.2, 283.7] μg/100g ; Zinc = 1.35 [0.94, 1.86] mg/100g (wet weight);