Well, as for keeping these species together, it can be done but there are a few qualifications. Firstly, as Scott said they both apparently exude toxic compounds, although I do not know if they actually affect other frogs - but I suspect not as far as the adults are concerned (larvae may be an entirely different but I again I suspect not). Thus by keeping them together, I assume you mean as adults, and of the same size class rather than as larvae or immature specimens, or say and adult of one species with an immature of the other. This is important because, again as Scott mentioned cannibalism can be a problem - but not only with Gree Tree Frogs (Pelodryas caerulea). Bellfrogs (Ranoidea aurea) are MAJOR frog-eaters, so if only for this reason they often end up dominating a pond. Another point that should be considered is that these species are quite different from one another ecologically and behaviourally, and so really should have set-ups that cater for their particular requirements. I kept both together in an outdoor enclosure measuring 4 metres by 5 metres for many years without any significant problems at all. Indoors, within the confines of such an enclosure is of course possible as many keepers would readily attest, but in my opinion this would be less desirable than a larger naturally exposed outdoor set-up (particularly for aurea which are also diurnal and actually like to bask in the sun!)...In other words, if you have the space it would be alright to keep a mixed group, but care should be taken if one is forced into utilizing captive conditions that may not support the needs of two such large, active species...just a few thoughts,

Regards


Richard Wells

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