Narke capensis (Gmelin, 1789)

Cape numbfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	\| Rajiformes \| Narkidae
Synonyms	Raja capensis, Astrape capensis, Torpedo capensis, ... more
Common names	Onefin electric ray, 南非单鳍电鳐, Kap-elrokke, ... more

You can sponsor this page

Upload your photos and videos
| All pictures | Google image |

Picture by Zsilavecz, G.

Add your observation in Fish Watcher

This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Compagno, L.J.V. 1986. (Ref. 6589)
Other references | Biblio | Coordinator : Carvalho, Marcelo | Collaborators

Size / Weight / Age

Max length : 38.0 cm TL male/unsexed; (Ref. 5578)

Environment

Demersal; marine; depth range 20 - 183 m (Ref. 6589)

Climate / Range

Subtropical

Southeast Atlantic: Cape Point to central Natal, South Africa. Possibly occurring in Mozambique and Madagascar (Ref. 5578).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Small ray with an almost circular disc and an elongated caudal fin (Ref. 5578). Yellowish-brown above with yellowish patches on upper tail, yellow with brown margins below (Ref. 5578).

Occurs offshore on the shelf; also common on sandy and muddy bottoms at 20-115 m (Ref. 5578). Feeds mainly on polychaetes (Ref. 5578). Capable of giving a powerful shock (Ref. 5578). Incidental catch of trawlers (Ref. 5578).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Other (Ref. 5578)

Human uses


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

Download XML
Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (20 of 100)	Not marketed/unknown

Entered by Garilao, Cristina V.

Modified by Bailly, Nicolas

Back to Search

Fish Forum

Comments & Corrections

Sign our Guest Book

FishBase mirror site : US - CGNET

Page last modified by : elaxamana, 15 July 2009

Custom Search