Depends on the sp. of clam. Yours look like T. crocea which burrow in live rock. Theres a great book called Giant Clams thats a great reference for clams. HTH
Originally posted by j21kickster
on second look- it looks very close to that anemone- i would consider different placment if you can
thanks. already moved... just left him there so i can get a good shot of it. been waiting for a tear drop clam for a long time now, lfs never stock them.