Can anyone identify this picture?

[smokey56]

My best guess is some sort of aquatic plant along with some fish eggs.

[MrMistery]

it's probably a sort of algae. Some algae, especially pheophyta, have special organs in which they deposit gas, to make them lighter essentially so that they can be closer to the surface of the water.

[Sophyclese]

I must say that the picutre is a picture of algea. Algea have pockets of air to help them reach the surface of water, which ic clearly displayed in the picutre.
On the other hand, the picture looks to be on the microscopic level. Idf this is the case, I would say the picutre is a picture of some sort of plant leaf/fibers that have glucose on them.