Pyrrhulina rachoviana is a small species of tropical fish from the family Lebiasinidae named in honor of the German aquarist Arthur Rachow. The type locality is Rosario, Argentina. A species is sold in the aquarium trade under the name Pyrrhulina rachoviana, but was probably imported from Brazil, not Argentina. References Lebiasinidae Freshwater fish of Argentina Fishkeeping Taxa named by George S. Myers Fish described in 1926