what is this???

[therealshark]

i have been having trouble keeping yellow polyps in my tank for the last couple of months and tonight i was looking and found 2 of these on the rock with my yellow polyps.
can someone ID these please?
thanks
http://i100.photobucket.com/albums/m26/therealshark25/DSC01075.jpg

[christyf5]

Sundial snail: zoanthid eater. If you like zoanthids/palythoas I suggest you send it off to another home. Some people love these for eradicating their tanks of nuisance zoanthids (esp the ugly brown ones :wink:)

[therealshark]

thank you...i like my zoanthids very much, so the snail must go.