Who laid these eggs?

[mwb95]

I have:
Bumble Bee Snails
Fighting Conch
Cowrie
Stomatella

I have cerith and nerites as well but I know what their eggs look like. The only fish it could be is a single starry blenny but that doesn’t seem right to me

 

[Smirkish]

I believe they are conch eggs.

 

[mwb95]

I believe they are conch eggs.

They do look like that thank you