Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: nelsoni: Named for Gareth Jon Nelson.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 140 - 540 m (Ref. 76955). Tropical; 16°S - 24°S, 147°E - 155°E (Ref. 114953)
Southwest Pacific: eastern Australia, probably more widespread in the Coral Sea
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 19 - ? cm
Max length : 31.3 cm TL male/unsexed; (Ref. 76955); 34.8 cm TL (female)
Maturity size reaches ca. 26 cm TL; born at ca. 8 cm TL. Biology little known (Ref. 114953).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor, 2016. Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates based on models
Preferred temperature (Ref.
115969): 15.6 - 21.4, mean 18.8 (based on 21 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00468 - 0.02950), b=2.88 (2.67 - 3.09), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic Level (Ref.
69278): 3.3 ±0.4 se; Based on size and trophs of closest relatives
Vulnerability (Ref.
59153): Low vulnerability (18 of 100) .