65553 Pastinachus gracilicaudus Last & Manjaji-Matsumoto, 2010 Dasyatidae Stingrays Hypolophinae Myliobatiformes Elasmobranchii Narrowtail stingray Western Pacific: This species is reasonably common but patchily distributed in both Malaysian and Indonesian Borneo, including Sabah, Sarawak, and western and northeastern Kalimantan. Possibly more widespread in the Indo-Malay Archipelago, east to at least the Wallace Line and the the identity of a specimen collected off Beruwala (Sri Lanka) needs confirmation.