Southern stingray

The southern stingray, ''Dasyatis americana'', is a stingray of the family Dasyatidae found in tropical and subtropical waters of the Western Atlantic Ocean from New Jersey to Brazil. It has a flat, diamond-shaped disc, with a mud brown, olive, and grey dorsal surface and white underbelly . The barb on its tail is serrated and covered in a venomous mucous, used for self defense.