Where have these eggs come from?

[Dougie]

Hi, I recently spotted these eggs in my tank and I'm wondering where they have come from?
I have galaxy rasbora, green fire tetra, Cory's and a few red onion snails. I think they may be from the rasbora? Also, are they fertilised?
Cheers

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[NC10]

They look pretty randomly laid to me, so I'd gamble on them being snails.

Try a google search and see what comes up, see if you can match them to the rasboras.

Failing that, there is one other way you can find out for certain

 

[milanioom]

I had nerite snail and it laid similar eggs allover the place.Had to get rid of it a few months ago, and I still see them.

 

[X3NiTH]

Onion snail eggs. They won't hatch unless they are in brine.

 

[James O]

+1 for nerite snail eggs. They turned my cube into a polka dot palace