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Genus of cartilaginous fishes From Wikipedia, the free encyclopedia
Plesiotrygon, the antenna rays, is a small genus of freshwater stingrays in the family Potamotrygonidae endemic to the Amazon basin in South America.[1][2] They are found in large rivers and the lower part of their tributaries.[2] The maximum disc width is up to 58 cm (23 in), but both species are very long-tailed (tail length typically at least twice the disc width).[1][2]
Plesiotrygon | |
---|---|
Plesiotrygon iwamae | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Superorder: | Batoidea |
Order: | Myliobatiformes |
Family: | Potamotrygonidae |
Genus: | Plesiotrygon R. de S. Rosa, Castello & Thorson, 1987 |
Type species | |
Plesiotrygon iwamae R. de S. Rosa, Castello & Thorson 1987 |
Plesiotrygon are occasionally kept in aquariums and both species have been bred in captivity, but they are sensitive and the tail is easily damaged.[3][4]
There are two recognized species:[1]
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