Britski's catfish (Corydoras britskii) is a tropical freshwater fish belonging to the Corydoradinae sub-family of the Callichthyidae family. It originates in inland waters in South America, and is found in the upper Paraguay River basin in Brazil. It was originally described by Nijssen & Isbrücker in 1983. This species has long been classified as Brochis britskii. However, Brochis has been synonymized with Corydoras.