On Two Rare Pelagic Fishes, Luvarus imperialis and Rachycentron canadum, Recently Captured at Yoichi, Hokkaido, Japan

抄録

Some cosmopolitan pelagic fishes which are widely distributed in the tropical and subtropical regions have often been occurred in the waters of Hokkaido in recent time. In this paper, two species which have never been recorded or rarely found from Hokkaido were reported.