Aquarium balloons?

[SaltOfLife]

Something new in the refugium. Any ideas?

 

[SaltOfLife]

Another shot of it

 

[nautical_nathaniel]

Better call NASA 'cause that's some alien stuff right there.

But seriously, they sort of look like tunicates and snail eggs got together and made a chain.

 

[saltyfilmfolks]

Yea that looks like tunicates.
Omg that's cool.

 

[ThunderGoose]

following. I agree with Pensacola-aquarist that they look kinda like tunicates and kind like just-hatched snail eggs. Interesting, I love finding new things in the tank!