I can't seem to find any images online to positively ID these guys. They are the first with the two long toes I have seen other than in images or video.
>edit< The first one seems to be a Cephalodella gibba? Possibly a Euchlanis for the second?
The sample came from my 3 gallon glass candy jar that I use for an aquarium. I started it a couple weeks ago, as an attempt to keep some samples alive through the winter. So far it is working well, producing an unending supply of microscopic subjects. The best of which are found chomping on some Tetramin flake food I put in the tank periodically as treats for the snails. These rotifers were attached to some older flakes that were near the surface.
Watch closely at about 4:20 in the video, as the rotifer snatches a microbe swimming by and gobbles him down. He actively attacks it, rather than passively waiting till the current carries it into his mouth.
Here's the video of the rotifers.
Three New [for me] Rotifers - Video
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Ernst Hippe
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Thanks Ernst, and Happy New Year to you to. 
That first one was a monster. I wasn't even sure it was a rotifer at first. You can see another species right there above him when the video first starts that is maybe as long as the other ones toe. LOL I had a few minutes of video of the big guy, but it was all out of focus trying just to keep up with him.
That first one was a monster. I wasn't even sure it was a rotifer at first. You can see another species right there above him when the video first starts that is maybe as long as the other ones toe. LOL I had a few minutes of video of the big guy, but it was all out of focus trying just to keep up with him.