Microbial ID please?

[Lord_Mort]

Hi guys. I was attempting to get a microscopic image of an unidentified worm in my tank. While I failed to capture my target specimen, I did view several that I've never seen before.
Can anyone ID any of these?

 

[Lord_Mort]

Hmm, I can't seem to upload the video. Perhaps the file is too large.
Will this work?

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