how many prey items are you offering at once? the reason i ask is because you sound (to me) surprised that he ate two in one feeding... and the only way he can eat two in one feeding is to have two in his tub with him.

it is best for your ball to be fed once a week... same day every week, one or two prey items. feeding them larger amounts of food or more often to 'beef them up' isn't recommended.

and as they get larger... sometimes once every two weeks is recommended.