Open brain question.

[TRH]

Why does my red open brain coral seem happiest when my sand sifting goby drops sand on it?

 

[seapug]

"Happy" isn't the right term. It probably swells up to shed the sand off.

 

[AC11337]

<a href=showthread.php?s=&postid=9794784#post9794784 target=_blank>Originally posted</a> by seapug
"Happy" isn't the right term. It probably swells up to shed the sand off.

Yup. Mine does that too.