''Chinchaysuyoa labiata'' is a species of catfish in the family Ariidae. It was first described under the genus ''

Arius Arius (; grc-koi, Ἄρειος, ; 250 or 256 – 336) was a Cyrenaic presbyter, ascetic, and priest best known for the doctrine of Arianism. His teachings about the nature of the Godhead in Christianity, which emphasized God the Father's un ...

'' as ''Arius labiatus'' in 1898. Another fish species, ''Hexanematichthys henni'', was described by

Homer Glenn Fisher Homer (; grc, Ὅμηρος , ''Hómēros'') (born ) was a Greek poet who is credited as the author of the ''Iliad'' and the ''Odyssey'', two epic poems that are foundational works of ancient Greek literature. Homer is considered one of the ...

and

Carl H. Eigenmann Carl Henry Eigenmann (March 9, 1863 – April 24, 1927) was a German-American ichthyologist of the late nineteenth and early twentieth centuries, who, along with his wife Rosa Smith Eigenmann, and his zoology students is credited with identifyin ...

in 1922 but is now considered to be a

junior synonym The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linna ...

for ''A. labiatus''. A study in 2019 found that ''A. labiatus'' was distinct from any other catfish species in the region, and thus constructed the genus ''Chinchaysuyoa'' for it and the recently discovered species '' C. ortegai''. It is endemic to

freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...

bodies in Ecuador.

References

Ariidae Fish described in 1898 Freshwater fish of Ecuador Endemic fauna of Ecuador {{Ariidae-stub