ID some type of slug

[nyprdr]

started noticing these slug looking things in my tank. I've seen about 4 and I never put them in the tank. are they safe? also they have a small hard shell on their back

 

[Chiefmcfuz]

Pics?

 

[brunoboarder2444]

Look up both limpets and stomatellas (not sure if thats spelled right)

Sent from my PC36100 using Reefs

 

[Alexpescado]

Stomatella

http://www.reefcorner.com/SpecimenSheets/stomatella_varia.htm

 

[nyprdr]

thanks guys.. looked it up and it's definitely stomatella

 

[brunoboarder2444]

thanks guys.. looked it up and it's definitely stomatella

No problem, they're harmless and great clean up crew