I've seen this thing several times on the side of my overflow, it looks fleshy like a snail, but doesn't have an obvious shell. It just looks like a little mound of flesh glued to the plastic.
I know this is a horrible picture, but it was the best of the lot.
Any ideas what it might be?
Thanks,
dp
I know this is a horrible picture, but it was the best of the lot.

Any ideas what it might be?
Thanks,
dp