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Commonly Asked Questions

Appears in Georgia Aquarium's:
  • Ocean Voyager

Range / Habitat

  • Found between the tropics in the Indo-Pacific, from the Red Sea and East Africa to the Marshall Islands, and south to the Northern border of Australia.
  • Found in sandy bottom areas and small caves, also frequents coral rubble around reefs.

Physical Characteristics

  • Porcupine ray reaches a maximum length of 4.8 feet (147 cm).
  • Has a very thick, tall body with thin wings that complete its oval appearance.
  • Displays countershading, being grey or spotted above and very pale or white ventrally. The tail is slender and lacks any venomous barb.
  • Skin is armored with strong dermal denticles, varying from flat to pointed and thorn-like.

Diet / Feeding

  • Small fish, mollusks, and crustaceans.

Conservation Status

  • “Vulnerable” on the IUCN Red List.

Additional Information

  • This is the only species in the genus Urogymnus.
  • Rough skin of this ray has been used as leather by many different cultures.
  • The ray gets its name from its rough and protruding dermal denticles.