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Image of Japanese Butterfly Ray
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Japanese Butterfly Ray

Gymnura japonica (Temminck & Schlegel 1850)

魚類生態進化研究室   cc-by-nc

Gymnura japonica (Japanese Butterfly Ray) is a species of butterfly rays in the family butterfly rays. They are listed as vulnerable by IUCN. Individuals can grow to 100 cm. They rely on pectoral fin oscillation to move around.

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  • URI: https://eol.org/schema/terms/pectoral_oscillation
  • Definition: a type of pectoral-fin-based swimming, also known as mobuliform locomotion. Lower frequency than fin undulation; can be described as the production of less than half a wave on the fin, similar to a bird wing flapping. Pelagic stingrays use oscillatory locomotion.
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EOL has data for 16 attributes, including:

Known occurrences, collected specimens and observations of Japanese Butterfly Ray. View this species on GBIF