Pincushion urchin- What’s going on???

[TiggrReefer]

It started dropping these little pellets. (About the size of a poppy seed)
Many of which dropped in the zoa beneath it.
Is it dropping eggs?
Is it pooping?
I’ve had it less than 1 week.
???

 

[Mhamilton0911]

It's poop.

 

[TiggrReefer]

That’s what I thought
Quite a bit!
Should I be concerned with it dropping into the zoa?

 

[shakacuz]

That’s what I thought
Quite a bit!
Should I be concerned with it dropping into the zoa?

coral food

 

[Waters]

If I could train mine to go in my coral I would