Abstract / Introduction / Summary:
The cymothoid isopod Ceratothoa verrucosa (Schioedte and Meinert, 1883) was found as a pair of an ovigerous female and a male in the buccal cavity of red seabream, Pagrus major (Temminck and Schlegel, 1843) (Sparidae), from the western North Pacific off Aichi and Shizuoka prefectures, central Japan. This represents the first record of C. verrucosa from Aichi Prefecture and a rediscovery of the species from Shizuoka Prefecture after its first record in 1910 from this prefecture. In the host’s buccal cavity, the ovigerous females (30.5 and 39.2 mm in body length) were ventrally attached to the palate, while the males (19.2 and 26.0 mm in body length) to the lateral wall.
