Careful on the Krill jamal, years ago I couldn't resist a Golden Puffer that I saw @ a LFS
, so $200 later, he was nice & happy in my 90g tank. I mean this guy was great, animated and the star attraction of the tank. Well he got to liking freeze dried Krill and that's all he would eat most of the time. Sometimes he would eat some silversides, but that was messy too. In short, over a period of about 12-15 months, he died after losing his intestines. Kind of like a long whitish thick string from his bowels.
Later on, I talked to some people & did some research & the constant everyday diet of freeze dried krill did this to his intestines.