i've kept clowns for a few years and was wondering how slowly do these guys grow? and when should i change their diet from flakes, frozen shrimp, frozen bloodworms, veggie flakes, and sinking shrimp pellets. do they eat larger and healthier sized food items? i've read up on them enough to know the basics, but i'd like to know a bit more.... our wonderful public library has reduced hours so trying to get there when they are open is a major PAIN!