I just purchased some "Jumbo Sticks" by Tetra. I like to feed my Oscars a variety of commercial foods and added this to their diet. The sticks are a nice size if you like to hand-feed your fish - they are easy to hold and easy for the fish to take out of your fingers. They really seem to like them too.

www.tetra-fish.com/sites/tetrafish/catal...x?id=1276&cid=40

My Mom uses these on occasion. The only thing I can say, as being her tank cleaner, is they make a freaken mess!

so far, my O's have seemed to eat them whole, but i hear you on the mess!!

i bought some smaller ones for my oscar and he likes them, but hes just too small to eat them whole, so i have to break them in half and stuff and your right... they do get very messy if he doesnt eat ALL of it, it really makes the tank gross if u dont clean it immediately