Unknown Critter

[BMW Rider]

Originally Posted by Hangfire

Thanks for the responses all. It does not appear to move, and to me it does kind of look like a tube worm. Actually, at first it reminded me of a flower bulb with a sprout emerging. the larger part at the base is sort of rounded. Not sure it's vermetid snail, although I'll watch to see if it moves. I'm really hoping it's nothing bad, as I already have a few apstasia growing on rocks, and two rather hairy crabs running around. . .

Sounds very much like a vermetid snail. They do not move once they attach themselves.

[Hangfire]

After reading the article that you posted Ed it does appear that I do have vermetid snails. And after giving the tank a good look over I appear to have about six of so. One appears to be more purple, but all the rest have the orange colour seen in my pictures. It doesn't appear, from the article, that they become a problem, so I'm glad about that. Thanks for the link by the way Ed.