Help Identify

[AquaHobby31]

Broke down my reef for fish out into quarantine and going fallow. Noticed these creatures dominating my sump! What are these? They are all over the place? White, plump body with fuzzy top antennas.

 

[mdb_talon]

Pineapple sponges. No emergency and no worries.

 

[Squidz]

How are your phosphates?

 

[AquaHobby31]

I’ve been dealing with flukes and just got all fish out after prazi. But it only seems to have made things worse

 

[CrimsonTide]

Those are what we call SpongeBob Houses. Theyre filter feeders and they like to PARTAY! But not harmful. That many I would remove them though bc its not appealing to me but not harmful.