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 authors: Temminck & Schlegel.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 2 - 350 m (Ref. 58302), usually - m (Ref. ). Tropical; 0°C -
Western Central Pacific: endemic, from Japan, Taiwan, Ogasawara Islands, Hawaii and the Society Islands.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 44 - ? cm
Max length : 91.5 cm SL male/unsexed; (Ref. 54980)
Benthic (Ref. 58302). Occurs in crevices in shallow reefs. Often snatches game from divers. Used as food fish in some districts in Japan.
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. 124695)
Fisheries: minor commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 14 - 27.7, mean 21.8 °C (based on 398 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00059 (0.00037 - 0.00094), 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
): 4.5 ±0.61 se; based on food items.
Resilience (Ref. 120179
): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High vulnerability (64 of 100) .