Mystery object....
 

Was taking some pics today and once I got them onto my computer, I noticed this guy in the background ! Didn't even see it..in fact, have a hard time seeing it at all....it is tucked in a dark crevice.
Sorry the pic is kind of blurry.....I was actually focused on something in the foreground at the time !

Anyone know what the heck it is?

Is it moving? It could be a nudibranch.

That's what I thought at first too....checked with a flashlight again and it doesn't move. It's actually a lot more spiky looking than in the pic.....wondering if maybe it's just the skeletal remains of something?

Sponge?

Clathrina sp

I think you got it

http://veja.abril.com.br/idade/exclu...thrina_nsp.jpg