I just released 10 guppy into my channa tank and made a short video.
http://www.youtube.com/watch?v=5Ky6pEAxkqI&list=UUKDWbQx7GCrWET2srEN5NPQ&index=1&feature=plcp
http://www.youtube.com/watch?v=5Ky6pEAxkqI&list=UUKDWbQx7GCrWET2srEN5NPQ&index=1&feature=plcp