GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Light microscope footage of two naked amoebae, Vanella sp. and Cochliopodium sp., showing the movement in timelapse. The original capturing time was about 3 min. Vanella, on the left side, is common in freshwater and marina habitats and shows a fan-like form with a broad hyaline area in moving direction. Cochliopodium (right) amoebae are partially enclosed with a flexible wall covered with microscales, sometimes with additional spines. The form of the microscales only is visible in electron microscopes. In the light microscope they appear as small dots. When Cochliopodium gets over small particles, the double-layer structure of the flexible wall with microscales can be seen. The amoebae were collected from a small freshwater brook habitat. Microscopic contrast method used: differential interference contrast. Captured field width: 0.3mm.
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