Urogymnus
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Urogymnus is a genus of stingrays in the family Dasyatidae from marine, brackish and freshwater habitats in the Indo-Pacific and tropical East Atlantic regions. The genus was previously considered to
Porcupine ray
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The porcupine ray is a rare species of stingray in the family Dasyatidae. This bottom-dweller is found throughout the tropical Indo-Pacific, as well as off West Africa. It favors sand, coral rubble, a
Early pictures of a porcupine ray by Nelson Annandale
Porcupine ray partly covered in sand, in Lakshadweep, India
Distinctive traits of the porcupine ray include its thick, rounded shape, and dorsal covering of sharp thorns.