Corydoras CW51-4cm is a species of tropical freshwater fish native to the Amazon River basin in South America. It is a small, peaceful fish that typically grows up to 4 cm in length. Its body is silver-grey with a light yellow underside and black bands across its face. It is a bottom-dwelling scavenger, known for its social behavior, and is often found in schools with other species of Corydoras. It is an omnivore, feeding on small insects, crustaceans, worms, and plant matter. Corydoras CW51-4cm makes an excellent addition to any freshwater aquarium, and is a great choice for both beginner and experienced aquarists.