Aspidisca costata crawling on a floc

[michelsolitodesolis]

that is euplotes

[ripariaorg]

@michelsolitodesolis

I don't think so. It really resembles Euplotes on this video, especially because there is no size scale (the video was made with higher magnification). But, Euplotes is larger, with longer, numerous and more equally distributed pseudopodia.

[KaKaGaNu]

are they invisible. that's the same characteristic as 'predator'