Doug and Julie have been watching a very large frog that took up residence in their Koi pond a few months ago. At first very shy, it now stays put while Doug cleans the pond filter and tends the water plants. Josh took photos and we turned to our handy reference book, Florida’s Fabulous Reptiles and Amphibians. We are pretty sure it is a bull frog, Rana catesbeiana. The book says they are voracious eaters and Doug reports that there are many fewer baby Koi in the pond this year….