Small, less than the size of a dime, white and black stripped snail, about as thin as 2 pennies. Was on my coral but I removed him. He is now on the bottom of the tank.
Yep. definately a sundial. Thanks for the link to identify it. I didn't waht to kill it so I just knocked it down to the bottom of the tank. Now I can't find him! Guess I'll have to keep a sharp eye out for a few days.
What should I do with it? I hate to just kill it and snails don't seem to survive in my sump.