Teleostei (teleosts) >
Anguilliformes (Eels and morays) >
Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335); walvisensis: Named for its type locality, Walvis Ridge..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic. Subtropical
Distribution
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southeastern Atlantic: Walvis Ridge.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 41.3 cm TL male/unsexed; (Ref. 81023)
Short description
Morphology | Morphometrics
This species is distinct in having the following characters: one row of maxillary and mandibular teeth, no medial row of intermaxillar teeth; no numerous small vomer teeth, arranged in posterior part in 2 unclear rows; no serration of tooth edges; 3 infraorbital, 5 mandibular, 3 suprabranchial pores; color solid light; vertebral formula 5-50-134 (Ref. 81023).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Prokofiev, A.M. and E.I. Kukuev, 2009. New findings of rare fish species from families Mitsukurinidae (Chondrichthyes), Muraenidae, Lophiidae, Macrouridae, and Psychrolutidae (Teleostei) on raises of the Atlantic Ocean with the description of Gymnothorax walvinsensis sp. Nova. J. Ichthyol. 49(3):215-227. (Ref. 81023)
IUCN Red List Status (Ref. 126983)
Threat to humans
Harmless
Human uses
More information
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundanceBRUVS
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00047 (0.00025 - 0.00089), b=3.28 (3.13 - 3.43), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.8 ±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): Low to moderate vulnerability (31 of 100).