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biodiversity explorer

the web of life in southern Africa

Narkidae (sleeper rays)

Life > Eukaryotes > Opisthokonta > Metazoa (animals) > Bilateria > Deuterostomia > Chordata > Craniata > Vertebrata (vertebrates)  > Gnathostomata (jawed vertebrates) > Chondrichthyes > Elasmobranchii > Batoidei > Rajiformes > Torpedinoidei

Small electric rays with a short, broadly rounded snout and a tiny transverse mouth. 9 species, 3 in the area.

Species found in southern Africa

Electrolux addisoni (Ornate sleeper ray)

Heteronarce garmani (Natal electric ray)

A small plain brown electric ray with an elongated narrow disk, 2 dorsal fins, and a small narrow caudal fin. Underside white.


Narke capensis (Onefin electric ray)

A small, yellowish brown electric ray with a single dorsal fin. Disk nearly circular, caudal fin elongated. Yellowish patches on upper tail, underside yellow with brown margins.

Text by Leonard J.V. Compagno, David A. Ebert and Malcolm J. Smale