Strange polyp underneath frag plug?

[daftwazzock]

Was cleaning some frags up that didn't make it when I saw this. The heck is this thing?

 

[Crabs McJones]

Pineapple sponge Harmless filter feeder

 

[daftwazzock]

Pineapple sponge Harmless filter feeder

Thanks! Guess it's a sign of a healthy system? I have had a pod explosion too.

 

[Crabs McJones]

Thanks! Guess it's a sign of a healthy system? I have had a pod explosion too.

Indeed