Pumps off to feed water is very clear saw these guys centered only clustered in middle of tank on top of water almost look like baby rotifers idunno though
Bacteria are too small to see without a microscope.
Can’t see what you are refering to in the picture. Sorry. Could be many things and that is why I find a saltwater aquarium fascinating. So much to discover. With a microscope, the number of species that you can find is mind boggling.
https://imgur.com/gallery/9QbhMF9
Sorry guys here’s a video they are probably too small to capture but don’t appear to be pods I see baby pods they move in sweeping circles on top the water only like they are blindly swimming I’ll see if I can spot them today