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 (Arabian Sea) to north-east Asia (China and Japan).
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: Vulnerable (VU); Date assessed: 02 November 2020 (A2d) Ref. (130435)
Threat to humans:  other


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