We feed freeze dried crickets, brine shrimp (live and freeze dried), freeze dried mosquito larvae, Tetra Breakfast Lunch Dinner & Treat flakes, Betta bits (for the Betta but he eats all the other foods that everyone else eats in his own tank), freeze dried earthworms, algae wafers, sinking shrimp pellets. Can't think of what else but we feed a varied diet.