Hi Christy,
I used to use a toothbrush with a glass of freshwater to clean the shell. They do like to hide in the scutes as well so a dental pick is useful there. Sometimes they will even go inside the clam, in the area before where the mantle tissue attaches to the inside of the shell.
I have seen the snails active at night as well so wrasses are probably of limited effect and may not completely eradicate the problem on their own. They would however stop an infection from reaching plague proportions.
Cheers,
Tim
|