egg id

I’ve reviewed and searched for an answer but haven’t successfully located what I’m looking for. I purchased a number of frags and a cabbage rock from my local shop. I noticed, what I thought, was bubble algae on a frag, but when I went to manually remove it, I found the spheres to be very firm...

Cant sleep and was just looking at my nightstand pico tank. I have quite a few of these little chitons (I think?) in my tank. As I'm watching my tank just now I see one releasing what looks like eggs. Anyone know more on whats happening here? Are they fertalized you think? I'm curious what their...