Members of the South American Corydoras genus are freshwater temperate and tropical catfish in the armored catfish family (Corydoradinae subfamily), and are commonly referred to as corydorases, cories, or cory catfish. Taxonomy The name Corydoras is derived from the Greek kory (helmet) and doras (skin). Corydoras is by far the largest genus of Neotropical fishes with over 142 species. In addition, many variants exist. It is the sole genus in the tribe Corydoradini. C. difluviatilis is recognize… (More on Corydoras)