Serious Bummer, My ADF ate my Oto

I was cleaning my tank today and moving some thing around and adding a couple of plants when I noticed that my ADF looked bloated and seemed to have some difficulties. Upon further examination I noticed the tail of my oto peeking out from his mouth. He continued to struggle but after awhile just kind of lay there. I am very bummed for the oto but also concerned about the frog. Can he really digest the oto. He is a big frog and the oto was small but still. I am also concerned for the future. Can I get another oto and write this off as a freak occurance? Assuming the frog lives is he a threat to the other fish in the tank. They are bigger and I have never seen him go after any othem except to protect his food. I had been out for 2 days so I am sure he was hungry. Anybody have experience with this sort of thing?

The other fish in the tank are a Honey Gourami, 2 platies and a glofish.

He has webbed front feet so i dont think he is a clawed frog. In fact the place I got him from had both so I think they knew the difference. Lately he has gotten very big and fat. When I first put him in the tank when he was little he got another oto in his mouth but it was too big for him so this has precedence. I have had him since Nov/December timeframe. He is about 2 inches long.

The oto had been acting pretty strange. He had stayed in 1 place for several days so you could be right about that. When I chaged the water and moced things around he has less water to move in and it was cloudy so the frog could sneak up on him. I am still wondering if the frog can survive the meal. I guess I will find out Monday when I go back to my office.

nope is saw him alive earlier and you could tell he was still fighting in the frogs stomach. He is at my office tank so I will try and get a picture of him Monday.

Mystery solved he is a ACF

When he was smaller I could have sworn I saw webbed front feet but looking at him today floating at the top of the tank still trying to digest my oto I can see the claws. I think he may have sustained some damage from the meal because he has been floating at the surface all day. I keep checking to see if he is alive and he will swim around occasionally.

I called the LFS that sold him to me and they will exchange. I am hoping to talk them into another oto. The question I have is will my heavily planted eclipse 6 gallon with 2 platies, 2 mystery snails, a honey gourami and a glofish support two adfs instead of 1 acf? I figure as big as he has become that the bio load would be the same and that way my new frog would have a friend.