Narke dipterygia (Bloch & Schneider, 1801)
Numbray
photo by Devarapalli, P.

Family:  Narkidae (Sleeper rays)
Max. size:  18 cm TL (male/unsexed)
Environment:  demersal; marine; depth range - 100 m
Distribution:  Indo-West Pacific: Oman and the Arabian Sea eastward to Japan and south to Singapore and Indonesia.
Diagnosis:   
Biology:  Found in continental waters, both inshore and offshore (Ref. 9913). Mainly feeds on crustaceans and polychaetes (Ref. 114953). Biology little known (Ref. 9913) but reported to produce 4-6 young each gestation (Ref. 114953). Adult males and females known at 15 cm TL; common size reported to reach 35 cm TL (Ref. 114953). The electric organs present on disc are used to stun the prey.
IUCN Red List Status: Data deficient (DD); Date assessed: 29 June 2007 Ref. (123251)
Threat to humans:  other
Country info:   
 

Entered by: Torres, Armi G. - 28.06.95
Modified by: Abucay, Luisa - 17.08.18
Checked by: Compagno, Leonard J.V. - 05.10.95

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