McCormick, Mark I., Ryen, Christopher A., Munday, Philip L., and Walker, Stefan P.W. (2010) Differing mechanisms underlie sexual size-dimorphism in two populations of a sex-changing fish. PLoS ONE, 5 (5). e10616. 1- 8.

Munday, P. L., Ryen, C.A., McCormick, M. I., and Walker, S.P.W. (2009) Growth acceleration, behaviour and otolith check marks associated with sex change in the wrasse Halichoeres miniatus. Coral Reefs, 28 (3). pp. 623-634.

Walker, S.P.W., Ryen, C.A., and McCormick, M.I. (2007) Rapid larval growth predisposes sex change and sexual size dimorphism in a protogynous hermaphrodite, Parapercis snyderi Jordan & Starks 1905. Journal of Fish Biology, 71 (5). pp. 1347-1357.

Walker, S.P.W., and Ryen, C. (2007) Opportunistic hybridization between two congeneric tropical reef fish. Coral Reefs, 26 (3). p. 539.

Ryen, Christopher (2007) Sex-specific growth dynamics in protogynous hermaphrodites. Masters (Research) thesis, James Cook University.