| a new trematode species neoplagioporus kajika sp. n. (digenea: opecoelidae), parasitic in the japanese fluvial sculpin, cottus pollux (osteichthyes: scorpaeniformes: cottidae), from japan. | the adult morphology is described and illustrated of neoplagioporus kajika sp. n. (digenea: opecoelidae) found in the japanese fluvial sculpin cottus pollux günther (osteichthyes: scorpaeniformes: cottidae) collected in the naka river at terase bridge, narutake, nakagawa town, fukuoka prefecture, kyushu, japan. this new species is characterized by that the body shape is oval, that the intestinal caeca end posteriorly at the middle level of the testicular region, that the ovary is trilobed, and t ... | 2006 | 17120500 |