The reticulated corydoras (Corydoras reticulatus), mosaic corydoras, network catfish, or network corydoras 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 Lower Amazon River basin in Brazil. The reticulated corydoras is of commercial importance in the aquarium trade industry.