Hmm I bought my SB 5 months ago and it hasn't grown AT ALL. It is in a 55gal with 1 male jd, who isn't that big either, but it has grown. The JD never harasses the sb, they actually swim together some, my sb hides a lot of course, as does the jd, but when I feed (pellets) the sb does eat, but not much. I have tried SEVERAL different freeze dried foods for the sb and he won't eat any of it. I really don't know what to do. I change the water weekly of 25-30%. I just think hes a dud 