Is this a snail? please I.D.

[Rueda13]

It seem to have 2 antennas that came out as it crawled to a different rock. What is it? Black with a white middle

http://www.reefcentral.com/forums/picture.php?albumid=11251&pictureid=76765

[Ron Reefman]

Maybe a pic with more white light would help?

[pagojoe]

Yes, it's a Scutus species..