I agree with skipjack on tanksize, 55g minimum. If you cannot supply live foods they will typically take frozen foods as well. I have had one for almost a year, IME they are slow growers but I have only kept one and that's just my experiance with it. I used to feed mine frozen foods, frozen silversides and live inverts but now he takes virtually any pellet I offer (mostly Omega One and Jumbomin). IME HBH Supersoft Krill is a good food to try and convert them, mine took to it quickly and so do most of my other natives. I have noticed an increase in growth since he started taking pellets. As for other requirements, they seem fairly hardy so just make sure your water quaility is decent. Mine does fine at room temp (74-78 F). Supposedly some people have trouble with them but I haven't but like I said, I have only kept the one I have now.