Help me identify this

[KiLaGo]

I bought a piece of LF from a LFS a few weeks ago and I believe it came with this hitch hiker. Does anyone know what this is? I think it is a sea slug or something but I want the opinion of others. It seems to just graze on algae, so I haven't done anything with it yet. However, I have now noticed wihch appears to be little ones in my tank, so can these reproduce by themselves? I tried to get a picture of the little one, but it just came out as a red spec in the 2nd picture. [/font]

 

[FishBeard]

Hard to tell but looks like a stomatella snail, harmless and beneficial hitch hiker if that is what it is. Distinguishing feature is what looks like a half shell that looks sorta like a fingernail on its back.

 

[MMreef]

+1 on Stomatella.They are harmless and feed on algae.

 

[KiLaGo]

That appears to be it. Thank you for help and input.

 

[gig]

I agree with all, is it pretty fast for a slug/snail? they tend to be