In video above, active Epistylis peritrichs on the same Cyclops copepod
from the other video. Some of the cilia appear to rotate slowly, but that could be a
stroboscopic effect (like the wagon wheels in cowboy movies). In the middle, a detached
specimen spins in the current. Sessile peritrichs are able to detach themselves from their
stalk and then swim freely. On the far left, we can see the movement in the tractus
digestivus of the copepod.
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