Little white things

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wentom7

Aquarium Advice Apprentice
Joined
Feb 27, 2013
Messages
33
I have these white round or bulb shaped critters. Started after a couple months, now I have many, and they're getting pretty big. On the rock and coral. Seem to have tip on top. Like the underside the best.
Any ideas? Thanks
 
Look up flatworms. I have read and been told that the white ones are harmless but they multiply very quickly.
 
Can they be round? These are like little tiny berries, (but white)
 
round white things

I did look up flatworms, can't find any little round things, I'll keep looking. thank you, Wendy
 
Sessile. 1-2 mm. Saw something that looked like a sponge. Mine are a bit more round. Outside of that, I think thats it. (small tip on top)
thank you
 
Thats what I was afraid of, at first I thought "how cool!" Now they're spreading so fast I'm defiantly concerned. Thanks
 
They are pineapple sponges they are harmless filter feeders
 
Don't know if I thanked you, (was traveling) but thank you very much!
 
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