yes i do have lr in tank,, sorry but they are white, my camera didnt get a good picture... he does like to lodge himself up in a rock i am surprised that he even fits, but he does run his body up against the rock, and i have a mimic yellow tang i noticed earlier he is doing the same thing,,,, i am going to give my fish guy a call in the morning and see if he can come out and help me,,,its weird how he came out friday and said everything looked fine, he didnt tell me the readings of the water, he did say that my calcium is low, and when he comes out again he will bring me some.... i am just wondering if that could cause the fish to rub there bodies against the rock...thanks for all you all s input,,,have a great day.....