title: Ichthyosporidium sp. Schwartz, 1963, parasite of the fish leiostomus xanthurus, is a microsporidian.
mesh_terms: D000818:Animals; D016782:Apicomplexa / Q000145:classification*; D003560:Cysts / Q000382:microbiology*; D005399:Fishes; D013194:Staining and Labeling