Urchin identification

[Ellie_A]

Thanks guys. Definitely looks like a fire urchin now that I've seen pictures of it. I knew that it could sting, not too concerned about that though as it is housed with our dwarf zebra lionfish who also has a nasty sting and moves much faster than the urchin! We've had him for a while now and he's doing great, has grown a lot, I was just curious about other common names as google returned little in response to a "radiant urchin" search.

Ellie