What is this?

[Squatch345]

Found this growing on a piece of live rock any ideas?

 

[blaxsun]

It looks like a dusty zoa.

 

[Uzidaisies]

I dunno, looks kinda like a limpet but I don’t know if there are limpets with spines like that.

 

[redfishbluefish]

I too think it's a spined limpet. One easy test to distinguish a limpet to a zoa....is it soft or hard?

 

[Squatch345]

I too think it's a spined limpet. One easy test to distinguish a limpet to a zoa....is it soft or hard?

Dunno i will touch it when i get home and let you know