Colpoda videos

The colpoda is very similar to a paramecium except that it has a very different shape. It is kidney shaped (reniform) and in many species the concave (inward curving) side looks like a bite has been taken out of it. Colpoda are not as well known as the paramecium but are often the first of the protozoans to appear in a hay infusion, especially if it was based on plain water with organic matter added, rather than cultured pond water.

Unlike the paramecium, colpoda divide inside cysts from which 4 to 8 inidviduals emerge.

The videos:
First there is a big colpoda at 100X among many smaller ones.
Then several other videos at 100X: 1    2    3    4    5
Then there are videos from when the hay infusion was at its peak, featuring a multitude of colpoda @40X: 1    2    3    4    and at 100X: 1    2    3    4    5    and finally, several colpoda apparently stuck to some debris.
At 400X: Several videos of colpoda resting 1   2   3   4   5   6   7   8   9  including dark colpoda that look black at lower powers 1   2   3  . Next, a couple of colpoda and a vorticella, an active colpoda seems to deliberately harrass a resting colpoda, and several colpoda grazing on bacteria.
Though there is no preset limit on the colpoda lifespan, they aren't immortal as seen in this video of colpoda death smaller colpoda will also burst quite suddenly! A large colpoda, instead of balling up, became strangely mishapen before it ruptured. I was surveying the carnage when a much smaller coploda came bursting on the scene! Another dying colpoda
Here is a very detailed colopda video and another. Here is a tiny colpoda, and two larger ones.

These videos were from my own hay infusion based on samples collected in Northern California, 95841. I hope you enjoy my microscopic videos of Colpoda.

Typical large colpoda @ 400X
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