I have a citron goby too, I love mine! We call him dopey goby. lol
Mine will perch on the side of the glass and just check me out, he's quite a little character.
Good luck, glad you got a not so usual goby! Thats the exact reason why I got mine, so it would be a little different than every other tank.
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.