Have any of you left a coral somewhere for so long that it "anchored" itself down?

[encrustingacro]

I left my acan (Micromussa) on my rockwork for so long that it grew and anchored itself onto the rock. I did not glue or epoxy it down.

 

[nuxx]

I left my acan (Micromussa) on my rockwork for so long that it grew and anchored itself onto the rock. I did not glue or epoxy it down.

Mostly stuff that fell off and "got lost".