Tidal Wave (Samishii Nettaigyo) (淋しい熱帯魚, Lonely Tropical Fish) is a cover album by the Irish pop group The Nolans. Released on 21 September 1991 exclusively in Japan by Teichiku Records, the album consists of 12 English-language covers of popular J-pop songs from the 1970s and 1980s. The title track, a cover of Wink's "Samishii Nettaigyo", was released as a single. The album peaked at No. 99 on Oricon's albums chart and sold over 3,000 copies.