If you have a ten gallon tank sitting around gathering dust, then do this: Go get a large canister of oatmeal. Not the instant or quick stuff, just old fashioned oatmeal. Dump it into the ten. Sprinkle with a cup or two of water, then seal with plastic wrap. In less than a week -- MEALWORMS!! Oscars and other hunger-driven species of Cichlid l-o-v-e Mealworms! Then [i]bonus[/i], the ones you don't catch become beetles!