Tetronarce nobiliana, Electric ray

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Tetronarce nobiliana (Bonaparte, 1835)

Electric ray
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Tetronarce nobiliana   AquaMaps   Data sources: GBIF OBIS
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Image of Tetronarce nobiliana (Electric ray)
Tetronarce nobiliana
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Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (sharks and rays) > Torpediniformes (Electric rays) > Torpedinidae (Electric rays)
Etymology: More on author: Bonaparte.

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

marien benthopelagisch; oceanodroom; diepte 2 - 800 m (Ref. 35509), usually 10 - 150 m (Ref. 35388). Subtropical; 60°N - 48°S, 180°W - 180°E (Ref. 114953)

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Circumglobal. Eastern Atlantic: Scotland (rare in North Sea) to Morocco, whole of Mediterranean, but not Black Sea; Cap Blanc in Mauritania to Gulf of Guinea, São Tomé Island; Walvis Bay, Namibia to Mossel Bay, South Africa (Ref. 5578). Western Atlantic: Nova Scotia, Canada south to Brazil (Ref. 26340). Eastern Indian Ocean: Australia (Ref. 114953). Southwest Pacific: New Zealand (Ref. 114953).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 180 cm TL mannelijk / geslacht onbekend; (Ref. 2803); common length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 3261); max. gepubliceerd gewicht: 90.0 kg (Ref. 7251)

Korte beschrijving Morfologie | Morfometrie

Large ray with a huge, paddle-shaped caudal fin and with no papillae around spiracles. Shiny black or dark grey above, underside white (Ref. 5578). Broad subcircular disc, short snout anterior to the eyes. Smooth skin, short thick tail (Ref. 6902). Dark chocolate to purplish brown above, without spots, white below, but with edges of disc and pelvic fins of same hue as upper surface, tail with irregular dark margins (Ref. 6902).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Juveniles benthic over soft bottoms or near coral reefs (Ref. 12951) from 10-150 m; adults are semi-pelagic to pelagic, swimming in the water column and have been reported to migrate over long distances (Ref. 2803). Found on insular slopes to at least 925 m depth (Ref. 114953). Feeds mainly on pelagic and benthic bony fishes and small sharks (Ref. 5578). Ovoviviparous (Ref. 50449). Produces litters of up to 60 pups. In South Pacific region, males reaches maturity at ca. 60 cm TL (Ref. 114953). Packs a powerful electric shock of up to 220 volts (Ref. 9710).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). With up to 60 in a litter. Gestation period one year (Ref. 12951). Size at birth about 23 cm (Ref. 12951).

Hoofdreferentie Upload your references | Referenties | Coördinator : Carvalho, Marcelo | Medewerkers

Stehmann, M. and D.L. Bürkel, 1984. Torpedinidae. p. 159-162. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and Mediterranean. UNESCO, Paris. Vol. 1. (Ref. 2803)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 31 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Other (Ref. 10011)





Gebruik door de mens

Visserij: van geen belang
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Estimates based on models

Preferred temperature (Ref. 123201): 7.3 - 27.5, mean 13.9 °C (based on 3020 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.01026 - 0.01858), b=2.99 (2.91 - 3.07), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trofisch niveau (Ref. 69278):  4.5   ±0.6 se; based on diet studies.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec=60;).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Nutrients (Ref. 124155):  Calcium = 4.55 [0.56, 83.64] mg/100g; Iron = 0.469 [0.043, 5.703] mg/100g; Protein = 16.5 [12.3, 20.1] %; Omega3 = 0.287 [0.104, 0.796] g/100g; Selenium = 43.8 [7.7, 218.9] μg/100g; VitaminA = 10.9 [0.8, 145.9] μg/100g; Zinc = 0.386 [0.021, 4.499] mg/100g (wet weight);