loma (microsporidian) loma (microsporidian) loma is a genus of microsporidian parasites, infecting fish. the taxonomic position of loma in the family glugeidae has been questioned by dna sequencing results. loma scientific classification kingdom: fungi phylum: rozellomycota class: microsporidea order: glugeida family: glugeidae genus: lomamorrison & sprague, 1981 species include loma acerinae - formerly placed in glugea loma branchialis - the type species loma camerounensis - a parasite of the cichlid fish, oreochromis niloticus loma dimorpha loma morhua loma myriophis - parasite of the ophichthid fish, myrophis platyrhynchus loma salmonae - a parasite of pacific salmon, oncorhynchus spp. loma trichiuri - a parasite of a marine trichiurid fish, trichiurus savala