Zoathid predators?

[jsousa]

Just pulled these out of my tank. Should I be worried about these snails? I heard they eat zoathids.

 

[killingseed]

COLLONISTA SNAILS, safe. if you have 1 you have 100's maybe even more.

http://www.xtalworld.com/Aquarium/hitchfaq.htm

 

[jsousa]

That's awesome. Thanks for the info. Great site too.

I was definitely worried these were Sundials.