A large sting ray (Dasybatis, or Trygon, Sayi) native of the Southern United States. It is destitute of large spines on the body and tail.
A large sting ray (Rhinoptera bonasus, or R. quadriloba) of the Atlantic coast of the United States. Its snout appears to be four- lobed when viewed in front, whence it is also called cow-nosed ray.
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