ID Please

[Snappy]

Originally Posted by hillegom

If you want the sponge to live, do not lift it out of the water. Air is detrimental to sponges.
Personally, I would keep it where it is.
Maybe slice ( with a razor) a piece off and put that into the fugue.

I agree - In my opinion it adds to the character of the reef and things like this make aquarium reefs look more natural.