New growth on rock not sure what it is

[sboggs8913]

It appears as though I have something in crusting on my rock work and I'm not sure what it is. Any id help would be appreciated

 

[Duncan62]

It appears as though I have something in crusting on my rock work and I'm not sure what it is. Any id help would be appreciated

Chiton

 

[sboggs8913]

Thanks for the help. Only 4 months into the hobby so still tons to learn

 

[PeterEde]

I had a lot of chitons appear. They tend to die off if not enough algae
I have one large one left