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Teleostei (teleosts) > Anguilliformes (Eels and morays) > Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335); taiwanensis: Named for its type locality, Taiwan.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 3 - 30 m (Ref. 79874). Subtropical

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Northwest Pacific: Taiwan.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 53.1 cm TL male/unsexed; (Ref. 121652); 53.9 cm TL (female); max. published weight: 262.00 g (Ref. 121652)

Short description Identification keys | Morphology | Morphometrics

Vertebrae: 117 - 121. This moderately sized moray is distinguished by having the anus behind the mid-body; short jaws; stout teeth, with vomerine teeth biserial; body color brownish with pale thin reticular pattern; when fresh with yellowish mucus on skin surface; darkish tips or rims on nostrils; orange irises; mean vertebral formula 5-55-119 (Ref. 79874).

Occurs in shallow reef and rocky shorelines, benthic. Feeds mainly on crustaceans and small fishes. All female specimens were found with ripe ovaries with ova measuring about 0.8-1.0 mm in diameter. Spawning apparently occurs near or from July- August (Ref. 79874).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Chen, H-M., K-H. Loh and K-T. Shao, 2008. A new species of moray eel, Gymnothorax taiwanensis, (Anguilliformes: Muraenidae) from Eastern Taiwan. The Raffles Bull. Zool. 19:131-134. (Ref. 79874)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 22 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 24.5 - 27.5, mean 25.9 °C (based on 144 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00052 (0.00035 - 0.00079), b=3.28 (3.16 - 3.40), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.9 ±0.6 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (42 of 100).

Gymnothorax taiwanensis Chen, Loh & Shao, 2008