New species of myxosporeans [Myxozoa, Myxosporea] from sculpins of the Northwestern Japan Sea

Description of 5 new species of Myxosporea parasites found in sculpins of families Cottidae and Psychrolutidae at the north-western coast of the Japan Sea. Three of them were found in gall bladder (two species of genus Sphaeromyxa and one species of genus Ceratomyxa), and two others - in urine bladder (one species of genus Davisia and one species of genus Schulmania). Differences between the newfound species and similar species described in literature are discussed.