| cardicola opisthorchis n. sp. (trematoda: aporocotylidae) from the pacific bluefin tuna, thunnus orientalis (temminck & schlegel, 1844), cultured in japan. | a new aporocotylid blood fluke is described, based on specimens from the ventricle of the pacific bluefin tuna, thunnus orientalis (temminck et schlegel), cultured in wakayama and nagasaki prefectures, japan. the new species is morphologically similar to the members of the genus cardicola short, 1953, but shows distinct differences in the body form, location of the testis and the orientation of the ootype. the body of the new species is long and slender, whereas other cardicola species are small ... | 2011 | 21616163 |