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Narcinops tasmaniensis (Richardson, 1841)

Tasmanian numbfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Narcinops tasmaniensis   AquaMaps   Data sources: GBIF OBIS
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Narcinops tasmaniensis
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Australia country information

Common names: Electric torpedo, Electric ray, Ground shark
Occurrence: endemic
Salinity: marine
Abundance: common (usually seen) | Ref: Last, P.R. and J.D. Stevens, 1994
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Ranges from Coffs Harbour in New South Wales south to Tasmania and as far west to at least Beachport in South Australia (Ref. 6871). Common throughout its range (Ref. 6871). Also Ref. 12951.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and J.D. Stevens, 1994
National Database:

Common names from other countries

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) > Narcinidae (Numbfishes)
Etymology:   More on author: Richardson.

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

marien bathydemersaal; diepte 5 - 640 m (Ref. 6871), usually 100 - 300 m (Ref. 114953).   Temperate; 30°S - 44°S, 126°E - 154°E (Ref. 114953)

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Southeast Indian Ocean and Southwest Pacific: Australia (including New South Wales, South Australia, Victoria and Tasmania).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 47.0 cm TL mannelijk / geslacht onbekend; (Ref. 6871)

Biologie     Verklarende woordenlijst (bv. epibenthic)

Found on sand or mud bottoms, occasionally near rocky reefs (Ref. 12951). Feeds on amphipods, shrimp, and worms (Ref. 12951). Produces 1-8 (normally 3) pups during each gestation. Both sexes mature at ca. 20-21 cm TL; born at 9-12 cm TL (Ref. 114953)

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

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

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)

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

  Niet bedreigd (LC) ; Date assessed: 22 April 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless




Gebruik door de mens

FAO(Publication : search) | FishSource |

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Aquatic Commons | BHL | Cloffa | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes(Genus, Soort(en)) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genoom, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(ga naar, zoek) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 11.7 - 16.6, mean 14.2 (based on 82 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 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   ±0.48 se; based on food items.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming fecundity<100).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (37 of 100).