After my tank has been running for about a year I am seeing some asterina stars. At the same time I am seeing small white dots on the glass that might be eggs. The stars are white with a few dots on their backs. Always on the glass (at this point. During the past two weeks I have seen and removed 5-6 of them but I hate to kill them if they are not a problem. I have read that only the brown ones are dangerous to the corals. Does anyone have experience with these little strange shaped stars?