I've had mine about 8 months now. I see him/her? maybe once a week. There are occations when I think he is no longer alive, then he pops out of the caves and swims around a little. I'm guessing he/she has grown about 1"-2" in that time. Mostly eats shrimp pellets, and whatever else it munches on in the middle of the night when it comes out. Very gorgeous to look at when he is showing off.
Matt
Matt