In these recordings, you can see how the rotifer brings out its cilia hairs to draw food into its mouth.
In most rotifer species, the head carries a corona (crown) of cilia that draws a vortex of water into the mouth, which the rotifer sifts for food. 

https://www.youtube.com/watch?v=4Iv0kumtsno

Learn more about these microscopic water animals in my other recordings of rotifers:  

https://www.youtube.com/watch?v=5Z6etA322g0

Kim Ulvberget
kulvberget@gmail.com
www.green-life.no

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