Gamble Fish(ギャンブルフィッシュ) is a Japanese manga written by Aoyama Hiromi and illustrated by Yamane Kazutoshi. Gamble Fish is serialized in Weekly Shōnen Champion. As of January 2010 fifteen tankōbon collecting the chapters were released, the first one on June 8, 2007, and the last one on January 8, 2010.