fluorescent microscopy, stained with Congo Red
These photos are long exposure
Has zoochlorella… gullet… did not see an undulating membrane iirc
Cilia long and uneven, not vibrating very much (at least visibly) ruling out Paramecium Bursaria. I mean, the behavior was also different, not sure how to explain. I’m having trouble finding any further identification but, after trying to research, amazingly it was iNaturalist itself that suggested this group. Hot damn