ok ill tell you try this first tell me what happened ok?
1.place your toad on a land area
2.take a piece of nightcrawler or mealworm(just for now dont make as staple)
3. place it infront of him maybe an inch away and observe the frog
4.if he runs out of the land place him back and do the procedure again.
hope it helps this is how i got my fire belly to eat