hey lilsal, how long you had your lunare??
as far as telling others to .... off, that is not polite at all, but the lunares get 10 inches and should be kept in a tank of at least 75 gallons, telling others to do so and add more is not really a good idea, this board is geared toward helping others,
now as i said lunares get 10 inches, and even if they did stop growing because the tank is too small, it would only be cruel and stressful to try and prevent them from growing, in addition to the fact that this is not fw and tanks should be stocked much more conservatively,
i have a 75 and it looks very empty compared to any fw tank i ever had, but it is near it's limits on stock and my biggest fish is a 7 incher for reason too
now, blj , if you want a real suggestion for a 29 gallon tank, you will either really be limited to one mid size(lightly active)fish or a couple of smaller fish, if you go with aggressive then i would reccomend only one mid size(4 to 7 inches) like maybe, MAYBE a dwarf lion or the green spot or then peaceful, you could go with a pair of clowns, and mybe a scooter or a couple of chromis or firefish, or maybe in aggressive a mid size species of wrasse, but a 29 gallon does really kinda limit your posssiblities a bit, there is also a kind of eel that would be fine in a30 gallon, but i cannot remember what kind it was if i remember i will post back later IF you'd like