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A platycephalid, Suggrundus meerdervoortii (Bleeker, 1860) (HUMZ 173209, 21.8 mm SL), and a gobiid, Clariger papillosus Ebina, 1934 (HUMZ 200854, 18.5 mm SL) were collected from off the southern coast of the Oshima Peninsula, Hokkaido, Japan, in 2000 and 2007, respectively. In Japan, the former species has been known from the East China Sea to south of Aomori Prefecture and the latter species from Honshu to Kyushu including Sado Island and Izu-Oshima. These represent the first records of the species from Hokkaido and their northern-most records in Japan.

Seven specimens of a sebastolobid fish, Sebastolobus alascanus Bean, 1890, were collected from the western North Pacific, off northern Honshu Island, Japan. In the waters around Japan, this species had been mainly reported from the Sea of Okhotsk, off Abashiri, Hokkaido and from the Pacific side of the Kuril Islands. This study represents the record of the species from northern Honshu Island, Japan, as well as the southern-most record in the western North Pacific.