Growing on rocks

[BCSoCal]

Anyone know what these are growing on my rocks?

I’m guessing some type of sponge

Thanks

 

[calvertc425]

looks like purple coraline algae to me not 100 percent sure tho

 

[Flippers4pups]

First picture looks like coraline algae.

 

[reef lover]

Vermetid snails. Crush or epoxy over.

 

[vetteguy53081]

Combo of algae, coraline and little dusters which can be a nuisance

 

[reef lover]

If this is what your trying to id...vemitid snail...

 

[Rjukan]

+1 on vermetid snail

 

[BCSoCal]

Thanks everyone. Sounds like I need to get rid of em. Thanks again!

 

[AlexWBryant]

I have one too. Been on my Candy Cane coral for a long time. Had no idea it was a pest until yesterday. Getting rid of him today!