The porcupine ray has thick skin that is armored with strong dermal denticles which vary from flat to pointed and thorn-like.
  • Size

    4.8 feet (1.5 m)
  • Diet

    Small fish, mollusks, and crustaceans
  • Range

    Indo-Pacific
  • Habitat

    Sandy bottom areas, small caves, reefs

Physical Characteristics

  • The porcupine ray reaches a maximum length of 4.8 feet (1.5 m).
  • Has a very thick, tall body with thin wings that complete its oval appearance.
  • Skin is armored with strong dermal denticles, varying from flat to pointed and thorn-like.
  • Displays countershading, being grey or spotted above and very pale or white ventrally. The tail is thick and lacks a venomous barb.

 

Animal Fact

The porcupine ray is the only species in the genus Urogymnus.

Diet / Feeding

  • Small fish, mollusks, and crustaceans.

Range / Habitat

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

Reproduction & Growth

  • Ovoviviparous; eggs hatch internally and are born as live young.

Conservation Status

  • “Vulnerable” on the IUCN Red List.

Additional Information

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

Sources

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