What the,,, Can you Id

[Catdiggy]

Can Anyone Id this its about the size of a quarter,,
it appeared overnight on a new frag rock which is made of cement,,

 

[House of Laughter]

looks like a faded lettuce nudibranch - is it eating the algae?

House

 

[Zoous]

Those might be eggs of a nudibranch.

 

[PhoenixOne]

Do you have any nudibranchs in your tank? Cause I do beleive it's eggs as well.

 

[leoskee]

Def look like eggs w/ the spiral formation. If you look closely you can see the rock in between the rows.

 

[al0ha]

yeah i think its eggs of either nudi branch or snails perhaps?

 

[lfsmarineguy]

that is an egg ribbon

 

[Catdiggy]

Tank is only a month old never saw nudi,,but have a few snails recieved rock from TBS Tremendouse amount of life!!!!