Spotted movement on the surface of gas bubbles in a decomposing ecosphere. This jar is about a month old and has been forming a layer of gas bubbles and algae on the surface. Took a lot of adjustment and editing with my cheap microscope camera to get this footage clear enough. What are these little guys? Paramecium? For reference to scale, the bubbles are about 3mm in diameter and the duckweed leaves are only 1mm. Absolutely fascinating!
by Nemeroth666
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Typically these guys are not of just one species. When biofilm appears, which the bubbles indicate, then paramecium, protozoa, rotifers, stentors, detritus worms, vorticella among many others pop up.
Here’s a close up of vorticella, as an example:
[https://www.reddit.com/r/bizzariums/comments/1l3ayof/this_is_not_static_these_are_vorticella_they_are/](https://www.reddit.com/r/bizzariums/comments/1l3ayof/this_is_not_static_these_are_vorticella_they_are/)