Earthworms can bee a good food source too if you know they're safe and pesticide free.
20 years, that's pretty impressive. What species of frog is it?
thats a good point, and even more important with snails. I have an organic veggie garden and they come from that.
shes a golden bell -Litoria aurea I had her mate 18 years before he croaked. I got both as adults so Im not sure how old they really were/are