n.large venomous ray with large barbed spines near the base of a thin whiplike tail capable of inflicting severe wounds

Stingrays
Stingrays
Stingrays
Rectal gland of freshwater stingrays, potamotrygon spp. (Chondrichthyes:potamotrygonidae).
Freshwater stingrays (Potamotrygonidae) and their helminth parasites: Testing hypotheses of evolution and coevolution.
A systematic revision of the South American freshwater stingrays (Chondrichthyes: Potamotrygonidae) /
Freshwater stingrays ( Dasyatidae ) of Southeast Asia and New Guinea, with description of a new species of Himantura and reports of...
Freshwater stingrays: study of epidemiologic, clinic and therapeutic aspects based on 84 envenomings in humans and some enzymatic ac...
Structural and functional studies of hemoglobins isolated from Amazon stingrays of the genusPotamotrygon
Stiffening the stingray skeleton - an investigation of durophagy in myliobatid stingrays (Chondrichthyes, batoidea, myliobatidae)