See page 7 for stomach content of some species...
R. spectrum, C. owenii, C. crstatus, C. gracilis...
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1067.4871&rep=rep1&type=pdf
R. spectrum, C. owenii, C. crstatus, C. gracilis...
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1067.4871&rep=rep1&type=pdf