Benthobatis yangi Carvalho, Compagno & Ebert, 2003
Taiwanese blind electric ray
No Picture Available

 Family:  Narcinidae (Numbfishes)
 Max. size:  21.5 cm TL (male/unsexed)
 Environment:  bathydemersal
 Distribution:  Northwest Pacific: Taiwan.
 Diagnosis:  This species is distinguished from all its congeners by the following unique set of characters: both dorsal and ventral surfaces dark brown to purplish-black, with irregular whitish blotches ventrally; narrow nasoral region, with relatively small mouth, slender jaws and shallow circumoral groove; relatively small spiracles; very narrow gill-slits; the second dorsal fin is slightly larger than first, with more slanted anterior margin, broadly rounded apex, and convex posterior margin; low caudal fin, relatively elongated; interdorsal distance greater than distance between second dorsal and caudal fin; suprascapula very narrow and not arched posteriorly; males sexually mature between 19.1-21.5 cm TL; relatively high number of caudal vertebral centra (38-46), total vertebral centra (116-120) (Ref. 75959).
 Biology:  Stomach contents include mud and the partial remains of an unidentified polychaete worm, plus unattached polychaete bristles and unidentified small white objects (Ref. 75959).
 IUCN Red List Status: Vulnerable (A2d+4d) (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Capuli, Estelita Emily - 02.05.08
 Modified by: Capuli, Estelita Emily - 07.01.10

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