go to the store tomorrow and buy 1lb of raw market shrimp, and 1lb of the cheapest fish fillet they have, take it home, thaw and peel the shell off a shrimp tear it in half and drop it in the tank, look at his belly 5 minutes after feeding it to him, if it doesnt look like he's gonna pop give him another half a shrimp. repeat till belly looks like this---> http://www.poseidons-palace.co.uk/Pictures/Red_Tailed_Catfish.jpg
