| ultrastructural data on the spore of myxobolus maculatus n. sp. (phylum myxozoa), parasite from the amazonian fish metynnis maculatus (teleostei). | light and electron microscopy studies of a myxosporean, parasitic in the intertubular interstitial tissue of the kidney of the freshwater teleost fish metynnis maculatus kner, 1860 (characidae) from the lower amazon river (brazil), are described. we observed polysporic histozoic plasmodia delimited by a double membrane and with several pinocytic channels and containing several life cycle stages, including mature spores. the spore body was of pyriform shape and was 21.0 microm long, 8.9 microm wi ... | 2002 | 12363082 |