Tetronarce nobiliana, Electric ray : gamefish

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
Photo von Scott, S.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Torpediniformes (Electric rays) > Torpedinidae (Electric rays)
Eponymy: Leopoldo Nobili (1784–1835) was an Italian physicist who studied animal electricity and invented a number of instruments used in thermodynamics and electrochemistry. [...] (Ref. 128868), visit book page.
More on author: Bonaparte.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

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

Verbreitung Territorien | FAO Gebiete | Ökosysteme | Vorkommen | Punkt Karte | Einführungen | Faunafri

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).

Größe / Gewicht / Alter

Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 180 cm TL Männchen/unbestimmt; (Ref. 2803); common length : 40.0 cm TL Männchen/unbestimmt; (Ref. 3261); max. veröff. Gewicht: 90.0 kg (Ref. 7251)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

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).
Body shape (shape guide): other.

Biologie     Fachlexikon (Englisch) (z.B. 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).

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | 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).

Hauptreferenz Laden Sie Ihre Referenzen hoch | Referenzen | Koordinator : Carvalho, Marcelo | Partner

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)

IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))

  nicht bedroht (LC) ; Date assessed: 31 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Other (Ref. 10011)





Nutzung durch Menschen

Fischereien: nicht kommerziell; Sportfisch: ja
FAO - Publication: search | FishSource |

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Schätzungen auf der Grundlage von Modellen

Bevorzugte Temperatur (Ref. 123201): 7.3 - 27.5, mean 13.9 °C (based on 3020 cells).
Phylogenetischer Diversitätsindex (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.01076 - 0.01855), b=2.98 (2.90 - 3.06), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophische Ebene (Ref. 69278):  4.5   ±0.6 se; based on diet studies.
Widerstandsfähigkeit (Ref. 120179):  niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Fec=60;).
Anfälligkeit der Fischerei (Ref. 59153):  Very high vulnerability (90 of 100). 🛈
Nährstoffe (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);