Science

Information on these parasites, many of which have a two host life cycle involving a fish and an annelid worm or bryozoan. From the Tree of Life Web Project.

The taxonomic placement of this parasitic worm long puzzled biologists. Information from Wikipedia on this species, sometimes known as Tetracapsula bryozoides.

Information from Wikipedia on this parasite which causes whirling disease in salmon and trout, its taxonomy, morphology, life cycle, pathology, impact on fish farming, prevention and control.

Information from Wikipedia on this group of parasitic animals including their phylogenetics.

Information on the microsporidian species that have been identified as human pathogens, with diagrams and information on their life cycles.