Any Idea What This Is?

[jumpfrog]

This silky looking bubble formed yesterday on the substrate next to some LR. It's still there today.
Any ideas?

 

[nm reef]

Do you happen to have a wrasse...maybe a 6-line...in your reef. They are known to spin a web for sleep/protection...that may be what you are describing.

 

[sammystingray]

I have never made such a wild guess with nothing to back it up......but it looks like a egg sac to me of something. Just a wild guess. Anyone ever have their bristleworms reproduce? got a pic of the sac? I'm going to give this to a guy I trust for IDs, but reject metal theories from.

 

[jumpfrog]

Sammy, too funny.
Nmreef; I don't have a wrasse in that tank. It's a reef that's been up for about 18 months. Yellow tang, flame cardinal, scissortail goby, firefish, neon goby and a perc. Only a cleaner shrimp and the variety of snails, astrea, cerith, nassarius. One thought I had was anemone waste sac but it's never been clear and silky like this.

 

[jumpfrog]

OOPS! I realized I lied. NMReef, I forgot I do have a blue headed fairy wrasse in that tank. Must have been the beer and sun
I seems odd though that he would create a nest up front like that when there are caves everywhere. And, it's much smaller than the wrasse. Good thought though. I've seen some of the sleeping bags on video.

 

[elan]

i had something like that before... someone said it was snail eggs... if the same thing that happend to me will happen to yours, it will disapear in a couple of days.. and then a week later, you will see very small white dots on your glass... i accidentally scraped them away, but if you dont, you may end up with a bunch of snails.....
just a thought.

 

[fishkiller]

yeah, my guess is an egg sac of some kind.

 

[nm reef]

The thought of a wrasse sleeping sac was just a shot in the dark...the 6-line I had spun one that would look sort of like your pic. Very interesting topic but I really don't have a clue what it is...

 

[jumpfrog]

This morning it was gone so elan may have the answer there. I'll keep an eye out for new snails, etc and let y'all know. Thanks for your help.

 

[agro]

i had some bristleworms that would make bubbles like that around their food. It would stay for a few days then fall apart.