Stingrays are a group of sea rays, which are cartilaginous fish related to sharks. They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae (deepwater stingray), Urolophidae (stingarees), Urotrygonidae (round rays), Dasyatidae(whiptail stingrays), Potamotrygonidae (river stingrays), Gymnuridae (butterfly rays), and Myliobatidae (eagle rays).[1][2]
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dorsal (topside) ← → ventral (underside)
External anatomy of a male stingray
External anatomy of a male stingray
Stingray undulation locomotion
Ray skeleton
https://en.wikipedia.org/wiki/Stingray
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