Hammer coral help

[BlueWavesReef]

Hello , any idea whats growing on hammer coral ? Thanks

 

[PeterC99]

Looks like aptasia.

 

[BlueWavesReef]

Looks like aptasia.

I've told its pineapple sponge not sure

 

[Bucs20fan]

Its a pineapple sponge for sure. Harmless, if its irritating the hammer you can just scrape it off.

 

[vetteguy53081]

Hello , any idea whats growing on hammer coral ? Thanks

View attachment 3061652

It is Pineapple and filter feeds off algae favoring dark areas with low flow. It is short lived but can be a nuisance. Pick off with tweezers or a dental pick