Catathyridium jenynsii

{{Short description|Species of fish}}

{{Speciesbox

| image =

| genus = Catathyridium

| species = jenynsii

| authority = (Günther, 1862)

| synonyms_ref = [https://www.fishbase.se/Nomenclature/SynonymsList.php?ID=23473&SynCode=139341&GenusName=Catathyridium&SpeciesName=jenynsii Synonyms of Catathyridium jenynsii] at www.fishbase.org.

| synonyms = * Solea jenynsii Günther, 1862

• Achirus errans Miranda Ribeiro, 1915
• Achirus jenynsi (Günther, 1862)
• Achirus jenynsii (Günther, 1862)
• Achirus trichospilus Berg, 1895

}}

Catathyridium jenynsii is a species of sole in the family Achiridae.{{FishBase |genus=Catathyridium |species=jenynsii |month=July |year=2019}} It was described by Albert Günther in 1862, originally under the genus Solea. It inhabits the Paraná and Uruguay rivers. It reaches a maximum length of {{convert|23.7|cm|in|abbr=on}}.