Akimenko, M. A., Johnson, S. L., Westerfield, M., and Ekker, M.. 1995. Differential induction of four Msx homeobox genes during fin development and regeneration in zebrafish. Development 121:347–357. Akimenko, M., Marí-Beffa, M., Becerra, J., and Géraudie, J.. 2003. Old questions, new tools, and some answers to the mystery of fin regeneration. Developmental Dynamics 226:190–201. Akimenko, M., and Smith, A.. 2007. Paired fin repair and regeneration. Pp. 152–162 in Hall, B. K., ed.