A sponge? or something else.

[tulkas71]

Upon restacking my LR after my now-AWOL diamond goby caused it to fall from digging,
I found this on some newer LR I bought a few months ago.

 

[Reefmedic79]

what are we looking for?

I see coralline and some mussid coral skeletons.

 

[tulkas71]

ah ha! tiny bleach coral of some type. Yes i was refering to the white spots. that makes sense. Appreciate that.

 

[Reefmedic79]

There are brain corals, it's not uncommon to find it on LR, but it rarely makes a come back after spending 24-36 hours in a damp box.