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Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes   cc-by-nc-sa-3.0

Chasmistes cujus (Cui Ui) is a species of ray-finned fishes in the family suckers. They are listed as endangered by IUCN. They are associated with freshwater habitat. Individuals are known to live for 41 years and can grow to 67.0 cm.

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EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of Cui-ui. View this species on GBIF