Baby Daphnia. Look how small they are
I’ve collected these daphnia creatures by sucking water from their tank, of course, that water had floating creatures of different sizes. Then I poured the water through a middle-sized net. All big and middle daphnia creatures have been captured in the net, but small ones went through and ended up in a glass of water.
Look how small they are. It’s not really visible until you see a glass and how many of them are floating in it.
Daphnia is perfect food for adult fish but for fry as well.
Look at the size of glass:
And there they are: