Kudoa intestinalis n. sp. (Myxosporea: Multivalvulida) from the intestinal musculature of the striped mullet, Mugil cephalus, from Japan.

Kudoa intestinalis n. sp. (Myxosporea: Multivalvulida) is described from the intestinal musculature of the striped mullet, Mugil cephalus, from the southeastern coast of the Kii Peninsula, Japan. The plasmodia of the new species are spherical or ellipsoidal and contain quadrangular spores that, on the average, measure 3.4 microns in length, 6.5 microns in width and 6.1 microns in thickness. The species is characterized by the presence of short projections at the apex and concave values posteriorly.