Sakanaction, stylised as sakanaction, are a Japanese rock band from Sapporo, Hokkaido. Their music is a fusion of alternative rock, electronic, pop, and new wave styles. The band consists of five members: Ichiro Yamaguchi, Motoharu Iwadera, Ami Kusakari, Emi Okazaki, and Keiichi Ejima.
The name Sakanaction is a portmanteau of "sakana" and "action". In the band's own words, their name reflects a wish to act quickly and lightly, like fish in the water, without fearing changes in the music scene. Their records consistently reach the top 10 positions on Japan's Oricon charts.