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Awesome shot.

I think it is water bubbles in a glass of fish tank.

Good guess, but nope. :D

How about a marble ?

Not marbles.. :)

tentacles from an octopus ?

haha nooo

Beads in water? It reminds me of coffee for some reason. Maybe I'm just tired and need a coffee :D

Well, it's a bit tricky, there is actually no water in the photo.. :)

First of all interesting picture. It almost looks like fish eggs. Great shot!

Thanks! Interesting guess! Not fish eggs though..