Camallanus lacustris is a species of freshwater parasitic roundworm in the family Camallanidae. Definitive hosts are fish and intermediate hosts are copepods. References Advances in Parasitology, Volume 20, R. Muller and J.R. Baker, 1982 External links Nematodes described in 1776 Camallanida Parasitic nematodes of animals Parasitic nematodes of fish Parasites of crustaceans