Spawning clowns

Noticed my clownfish had gotten awfully protective of a rock ledge covered by a large pulsing xenia. You can't see it in the photo, but they have a cache of eggs back in that cavern. One of the clowns is quite old; she laid eggs years ago, but these are the first I've seen lately. I'd like to hatch and raise the little buggers, but I'll probably just let nature take its course. Little surprises like this remind me of why I invest the effort to keep a SW tank.