GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Nassula ciliate feeding. Light microscope differential interference contrast (DIC) footage of a Nassula ciliate in water feeding on an Oscillatoria cyanobacterium filament. Nassula ciliates have a specialized oral apparatus for ingesting cyanobacteria (blue-green algae) filaments. Magnification: x390 at 10 centimetres across.
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