Author: Castex & Castello, 1970
FBname: White-blotched river stingray
Remark: Known from three specimens in collections, this species may be endangered because of high endemism (Rosa & Menezes, 1996). Reproductive biology unknown. Additional references: Walschaerts (1987), Compagno & Cook (1995).
Comments: Buried in sand during day, hunting for benthic invertebrates during night (Ref. 13614).