Santa Fe Sole
Catathyridium lorentzii
- Least concern
- Card rarity: Common
- Fish

Catathyridium lorentzii is a species of sole in the family Achiridae. It was described by Hendrik Weyenbergh in 1877, originally under the genus Achirus. It inhabits the Uruguay River and Paraguay River river. It reaches a maximum length of 5.4 cm (2.1 in).
Classification
- Class
- Actinopterygii
- Order
- Carangiformes
- Family
- Achiridae
- Genus
- Catathyridium