What is this? ...wierd growth on macro

[Kronk]

Any ideas what this is? I have seen it before and thought it was just the caulpera algae rotting a bit but i am thinking it may be some kind of egg sack? I saw what appeared to be tiny pods on the outside of it. It looks like a Q-Tip but fuzzier.





I have 2 clowns and a fire shrimp in the tank it has been set up for a few years now. I also have a lot of worms, amphipods and isopods (not bad so far as i can tell)

Thanks,
Ken

[christyf5]

I used to have those too when I kept that type of caulerpa. I never knew what it was and figured it had to do with caulerpa growth or something.

[Kronk]

Thanks that makes sense. The reason i was questioning whether it was an egg sack is cause they always seemed to be around bits of chewed on caulpera.

[christyf5]

It could be that the "chewed on" part has become damaged and no longer retains any of the green pigment and is now white? Thats what I always figured on mine, either that or it was gearing up to spawn or whatever caulerpa does.