Also known as the “marbled ray” or “black blotch fantail ray”, the round ribbontail ray has a black and white mottled upper surface. This large stingray has a maximum length of nearly 11 feet (330 cm) snout to tail and disc widths of about 10 feet (3 m) have been reported. Round ribbontail rays can be found swimming alone or in schools, often accompanied by fish like jacks or cobia.
  • Size

    11 feet (330 cm) snout to tail
  • Diet

    Bottom fishes, bivalves, crabs and shrimp
  • Range

    Indo-West Pacific from the Red Sea and East Africa to Southern Japan, Micronesia and tropical Australia
  • Habitat

    Usually associated with reefs; also found in a wide variety of habitats from shallow lagoons to outer reef slopes

Physical Characteristics

Size

  • Maximum length of nearly 11 feet (330 cm) (snout to tail). Disc widths of about 10 feet (3 m) and weights of 330 lbs. (150 kg) have been reported.

Body Composition

  • Deep and prominent ventral skin fold that extends to the tail tip.

Color

  • Large stingray with a circular disc, no thorns and a black and white mottled upper surface.

 

Animal Fact

The round ribbontail ray blows water to find prey hidden in the sand.

Diet / Feeding

Diet

  • Diet consists of bottom fishes, bivalves, crabs and shrimp.

Feeding

  • To find prey, often excavates large holes in the sand by blowing water from its mouth.

Range / Habitat

Range

  • Occurs in the Indo-West Pacific from the Red Sea and East Africa to Southern Japan, Micronesia and tropical Australia

Habitat

  • Usually associated with reefs; also found in a wide variety of habitats from shallow lagoons to outer reef slopes.
  • Can be encountered from near the surface to depths of about 1,640 feet (500 m); most common between approximately 66 and 197 feet (20-60 m).

Reproduction & Growth

Reproduction

  • Ovoviviparous.

Growth

  • Litters of up to seven are born at approximately 13 inches (33 cm) in disc width.

Conservation Status

  • “Vulnerable” on the IUCN Red List.

Additional Information

  • Formerly Taeniura meyeni.
  • Also called the “marbled ray” or “black blotched fantail ray.”
  • Can be found swimming alone or in schools; often accompanied by jacks or cobia swimming near them.
  • Fished commercially in some parts of its range, valued for its meat and cartilage. May also be sought by recreational fishermen. Often also captured as bycatch in other fisheries.
  • A stingray; possesses a venomous barb at the base of the tail.

Sources

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