Anyone know what these are????

[Muppet]

Does anyone know what these things growing on my tank glass are? They are around 4mm in diameter, clear with a number of 'grains' inside. The picture is roughly life size.

 

[new_boy]

i think they are frog eggs if u ghot frogs in ya tank or just some eggs from one off ya fish

 

[SirMinion]

Frog eggs in a marine tank? I think not.

I'd say some sort of polyp.

 

[canarsie11]

newboy sssshhhhhh!