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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
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Electrolux addisoni (Ornate sleeper ray) |
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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. |
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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. |
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Text by Leonard J.V. Compagno, David A. Ebert
and Malcolm J. Smale
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