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A Guide to the Identification of Tailed Myxobolidae of the World: Dica

A Guide to the Identification of Tailed Myxobolidae of the World: Dica

The phylum Myxozoa contains over 2100 species of parasites that principally infect fish, although some species infect amphibian and reptilian hosts (Kudo 1920; Lom and Dykova 2006; Yokoyama et al. 2012). Myxozoans are multicellular, comprised of 1 to 7 spore shell valves, 1-2 infective germ sporoplasms, and 2 to 7 polar capsules (Lom and Dyková 1992). The polar capsules contain an extrudible filament used for attachment to a host, similar to the stinging cells of Cnidaria. After attachment, 1 to 2 amoeboid sporoplasms infect the target tissue and begin development. See Lom and Dyková (1992) for details on development of the trophozooite, plasmodia, and mature spores. Several myxozoan parasites studied to date have a life cycle with two hosts: fish and aquatic oligochaete or polychaete worms... Show More
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