Neon Tetras 6 PackNeon Tetras are a calm, schooling nano fish originating in South American rivers. This species is probably one of the best known nano fish and for good reason! The colors are absolutely stunning, and they display strong schooling behaviors. You'll love watching a group hover and dart as one! This species (Paracheirodon innesi) is typically wild caught, and somewhat difficult to captive breed. These are often confused with Cardinal Tetras they do look