Appendix I. A table showing the number of clams (Venerupis philippinarum and Protothaca staminea) eaten by each replicate adult red rock crab, Cancer productus, in prey choice trials. E. ByersJames 2016 A table showing the number of clams (Venerupis philippinarum and Protothaca staminea) eaten by each replicate adult red rock crab, Cancer productus, in prey choice trials.