this is odd? ID please

[Ice9Kills]

spotted this thing when Turned the lights on tonight for feeding time. didn't get home before the night lights came on so I just turned em on real quick and this was on a rock.
any ideas?

[Ice9Kills]

also.. its fast like really fast for something that doesn't have legs. faster then my emeralds

[maddmaxx]

i forget the name of them, but i believe they are beneficial. they eat algae. wouldnt worry about it, but hopefully someone else can chime in to be more specific for ya...

[Mysticalknight]

google stomatella, beneficial hitchhiker

[Sugar Magnolia]

Yes, stomatella snail. Beneficial grazer.

[Ice9Kills]

thanks! yeah this one coral i picked up... so far its had a urchen, 2 feather dusters and now this(at least i think it came in with the coral).

[Mcgeezer]

It's a stomatella snail. They're good. I found one too a few months ago.