The word is out, that frog is indeed an alien. Geno tells me that it’s a Cuban white tree frog, and alien species. Thanks, Geno. If I can find it again I shall dispose of it.
https://ufwildlife.ifas.ufl.edu/cuban_treefrog_inFL.shtml
Meanwhile, I just picked my second pineapple. It’s going to be really really really really good.