Elasmobranchii (haaien en roggen) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: nelsoni: Named after Gareth Jon Nelson, who was my PhD advisor at the American Museum of Natural History (New York), in honor of his very unique and meaningful contributions to both ichthyology and comparative biology in general..
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien benthopelagisch; diepte 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
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm ?, range 19 - ? cm
Max length : 31.3 cm TL mannelijk / geslacht onbekend; (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).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Meer informatie
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Estimates based on models
Preferred temperature (Ref.
123201): 15.6 - 21.4, mean 18.8 °C (based on 21 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00476 - 0.02897), b=2.88 (2.66 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).