what are these things?

[sofaknlo]

my buddys tank up 3 years. moved nem and these were under rock. says, looks rigid and attached!? have no clue what these are. anyone seen these?

 

[Flippers4pups]

Egg sacks of some kind maybe. #Reefsquad?

 

[Crabs McJones]

Weird! Whelk snail eggs maybe?

 

[samnaz]

Super cool, whatever it is! I've never seen anything like it either.

 

[Tautog]

Very cool.....Keep them!

 

[Mariette]

Agree w the keep them. But maybe not in DT. If they are eggs, u never know what’s gonna come out

 

[cracker]

Some type of egg . Where did the rock come from ?

 

[sofaknlo]

from other posts it seems like nerite snail eggs

 

[Lovemyreef2015]

definitely welk eggs