I just met a girl that has a Cane toad in with 2 female Pacman frogs, both Pacman frogs are large females. The Cane is alittle bigger. Now she has had this setup for almost three years. How did she pull this off? I know that mixing species is bad for spreading diseases etc. I would even dream of mixing two species together nevermind those two.

I think she has got lucky so far, she begs to differ. She feeds the frogs with tongs and the toad just eats what the frogs dont eat. There has to be some kind of stress for the frogs/toad. It is not like one knows the other ones threats ie the toads poison. I am trying to convince her that she should separate them, do you guys have any other reasons why she should separate them?