O.K. this one has got me,
What is smashing barnacles in my tank?
All my rock is about 4 years old, no sign of mantis shrimps or other large hitchhikers. I have a flame angel, goby,
tomato clown and orchid dottyback,
Coral banded shrimp and various hermits but I dont think its any of them because several large sturdy barnacles were smashed in from the side. Whatever it is it must have been in my tank undetected for a while. Not that I mind too much, the barnacles were hitchhikers themselves but Im just curious.
Rockster