The Slate Cory Catfish (Corydoras concolor), also known as the Concolor Cory Catfish, is one of the less common, but very distinctive species .It is somewhat rare in the aquarium hobby, but welcome and desired by many aquarists and enthusiasts of community Amazon fish due to its gark gray body coloration coupled with rust-colored fins .It is a very animated, distinctively marked schooling fish that is perfect for the nano, community, and planted aquarium.