HELP WHAT ARE THESE THINGS!?

[Leeann Sutherby]

I am just setting up my nano tank but already have another so am fimiliar with liverock and most of its hitchhikers. However I got two huge pieces from Petco today, (I know gross but they were so purpley pretty it was hard to resist) and after I put them in my tank I noticed they have two little errr... pods I guess I’ll call them? It appears they are green at the base & the rest is brown. It’s hard to get a good pic from where they are on the rock but these are what I got

 

[vetteguy53081]

Limpet snails
Most limpets feed by grazing on algae which grows on the rock (or other surfaces) where they live. They scrape up films of algae with a radula, a ribbon-like tongue with rows of teeth and are deemed harmless

 

[Fishurama]

Those look like limpets good CUC, eats green algae and coralline

 

[Leeann Sutherby]

Awesome thank you so much!

 

[Dragon52]