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Narke capensis (Gmelin, 1789) Onefin electric ray |
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photo by
Zsilavecz, G. |
| Family: | Narkidae (Sleeper rays) | |||
| Max. size: | 38 cm TL (male/unsexed) | |||
| Environment: | demersal; marine; depth range 20 - 183 m | |||
| Distribution: | Southeast Atlantic: Cape of Good Hope to central Natal, South Africa. Possibly occurring in Namibia, Mozambique and Madagascar (Ref. 5578, Ref. 114953). | |||
| Diagnosis: | 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). | |||
| Biology: | Occurs offshore on the shelf; also common on sandy and muddy bottoms at 20-115 m (Ref. 5578). Feeds mainly on polychaetes (Ref. 5578). Males reaches maturity at 18-23 cm TL, females at ca. 23 cm TL (Ref. 114953). Capable of giving a powerful shock (Ref. 5578). Incidental catch of trawlers (Ref. 5578). It is parasitised by the monogenean Electrocotyle whittingtoni in the gills (Ref. 124060). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 24 April 2018 Ref. (130435) | |||
| Threat to humans: | other | |||