I have a gold head sand sifting goby and yeah, he makes a mess, and I have to watch the corals on the sand bed--usually put them on a big piece of rubble rock, and I can't put my sun corals on the sand bed but I love watching. Esp. if a hermit gets too close to his burrow. He picks it up, carries to the other side of tank and spits the offender out. So funny. Saw him pick up a shell and take it to decorate the outside of his burrow. Love the guy and put up with his messes and turkey baste off sand where I don't want it. He's buddies with my kole
tang. I think the tang follows him to see if he stirs up any goodies