Paratrygon aiereba (Müller & Henle, 1841)

Synonyms: Disceus sp., Elipesurus sp.

Common name: Pigtail ray, Ceja ray, Manzana ray

Range: Amazon and Orinoco River drainages in Bolivia, Peru, Brazil, and Venezuela

Adult size: 120 - 920 mm DL

Description: Large, rounded disc that is slightly concave in the front. Tail short in comparison with the disc length. Small, knob-like appendages on the margin of the spiracle. Pelvic fins completely covered by disc.

A juvenile specimen from the collection at University of Michigan Museum of Zoology. Originally labeled as genus Elipesurus.

Photo courtesy of Patrick Ryan.

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