Pyrrhulina maximaPyrrhulina maxima is a species of freshwater ray-finned fish belonging to the family Lebiasinidae, which includes the pencilfishes, splash tetras and related fishes.This fish is found in South America in the upper Amazon River.SizeThis species reaches a length of.EtymologyThe fish's name is Latin for "large" or "great", referring to a larger size compared with the "closely related" P. brevis and P. (Copella) nattereri.