Narke japonica

(Temminck & Schlegel, 1850)

Japanese sleeper ray
Classification: Elasmobranchii Torpediniformes Narkidae

Reference of the original description
Temminck, C.J. & Schlegel, H. (1850)
Pisces. In Fauna Japonica, sive descriptio animalium quae in itinere per Japoniam suscepto annis 1823–30 collegit, notis observationibus et adumbrationibus illustravit P. F. de Siebold. Fauna Japonica, sive descriptio animalium quae in itinere per Japoniam. Last part: 270–324

Synonyms / new combinations and misspellings
Astrape japonica, Crassinarke domitor, Crassinarke dormitor, Torpedo japonica, Torpedo (Astrape) japonica

Narke japonica
Lectotype: RMNH: D2418 Paralectotype: RMNH: D2314 RMNH: D2369 RMNH: D2735
Crassinarke dormitor
Holotype: Nat. Univ. of Maritime Products, Tokyo: ?;

Description :

Citation: Narke japonica (Temminck & Schlegel, 1850): In: Database of modern sharks, rays and chimaeras,, World Wide Web electronic publication, Version 11/2022

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Narke japonica (Temminck & Schlegel, 1850), © FAO,
Common names
eng Electric numb ray, eng Electric ray, eng Japanese electric ray, eng Japanese sleeper ray, eng Japanese spotted torpedo

Northwest Pacific: southern Japan to the South China Sea near Hong Kong. Source:

Human uses
fisheries: minor commercial; price category: not marketed/unknown; price reliability:

Ovoviviparous. Up to 5 in a litter [1658]. Found on sand, often near rocky reefs [1658]. A carnivore [17641].

Size / Weight / Age
40.0 cm TL (male/unsexed; [1658])

reef-associated; marine; depth range 12 - 23 m [1658]

shark-references Species-ID=4064;

Parasites (arranged by Jürgen Pollerspöck)