Following Kisselburgh's departure, Hawk Nelson guitarist Jonathan Steingard filled in on rhythm guitar during the band's summer and winter tour dates before departing to maintain his role in Hawk Nelson. Kisselburgh was not officially replaced during this time period, with the band remaining a five-piece. The band announced the release date for their next project, code-named "Abandoners," on their Myspace page. Later on, they would announce the release name "Captiva." The album was released on October 2, 2007. The first single from the album was "Hotel Aquarium," followed by "Goodnight Gravity," "How They Made Cameras," "Maps," and "A Guide to Marine Life." They band also filmed a music video for "Hotel Aquarium," which was featured in X 2008. After recording but before the release of the album, guitarist Micah Sannan departed Falling Up and joined the Christian hard rock band Disciple. Keyboardist Adam Taylor also departed around the same time to manage merchandise for Christian rock band Hawk Nelson. Daniel Elder soon joined the band as their new guitar player, reducing the band to a quartet. Falling Up's fourth studio album, "Fangs", was released March 24, 2009. According to their MySpace page, "Fangs" was to be their "heaviest album yet", something which was often disputed in the post-release period. It was also said that the album would be "more of an arrangement than just a record that is put together randomly", as well as that it "[would] not have 14 great songs in entirety, but just intriguing moments and sections." One of the song titles, "Lotus and Languorous" was released early. According to BEC Recordings and Falling Up's Myspace, Falling Up headlined the Fangs! tour in late April early May 2009 with Tooth and Nail artist Ruth and Portland indie/rock artist Archeology. Unlike past tours, the venues on this tour were strictly secular. After the release of "Fangs!", band members Jessy Ribordy and Josh Shroy started a side project under the name "The River Empires", who created an album ""Epilogue"" with the help of The Dear Hunter's Casey Crescenzo, as well as a handful of other musicians. Jessy Ribordy also began working on a solo project, "The Gloomcatcher", releasing its first album, "Slow Chorale". The debut albums from both projects were released on April 6, 2010.