I've had two grammas and both were very secretive. The one I have now hides laying on a rock in back. lol But she does come out here and there. My first one that I had was out and about much more though, but she still would disappear into the rocks frequently.
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.