Dr. Jerri Bartholomew (OSU Microbiology) cultured oligochaetes and polychaete worms under laboratory conditions in order to better understand the invertebrate hosts of some fish parasites which have two host life cycles.  Several significant fish pathogens have life cycles that involve both fish and an alternate, invertebrate host like a snail, crustacean or worm.  Long term research has involved myxozoan parasites C. shasta and M. cerebralis and has resulted in laboratory cultures of both their worm and fish hosts.  Different worms require different living conditions.  Oligochaetes such as Tubifex grow well in tubes of sediment.  The polychaete host of C. shasta requires more elaborate flow-through or re-circulating nutrient systems.

Bjork, S.J. and Bartholomew, J.L.  2009.   The effects of water velocity on the Ceratomyxa shasta infectious cycle.  J. Fish Dis. 32(2):131-142.

Bartholomew, J., Atkinson, S., and Hallett, S.  2006.  Invovement of Manayunkia speciosa (Annelida: Polychaeta: Sabellidae) in the life cycle of Parvicapsula minibiconis, a myxozoan parasite of Pacific salmon.  J. of Parasitol. ?????????????????