I've three ACF's, if this is the right abbreviation(African Clawed Frogs,) all of which are getting fat. I wonder if I feed them too much, or if there is such a thing with frogs.

Anyways, I feed them 'Frog and Tadpole Bites', worms, pieces of fish, brine shrimp and blood worms. I can't think of anything else they like, or what's best to sustain a healthy diet for them. Any tips?