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Vorticella peritrich ciliates, LM

K006/6311

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Credit

GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY

Caption

Bell-shaped Vorticella sp. ciliates forming a colony of several solitary unicellular animals captured with a microscope. Vorticella occurs in a broad bandwidth of freshwater and marine habitats including small brooks and ponds of any size. The single celled Individuals are campanulate and about 60x45 m in size with a long, contractile stalk, attached to underwater objects like plants, surface scum and aquatic animals. The stalk consists of an external sheath containing fluid and a contractile, spirally arranged thread. When disturbed, the stalk thread contracts very fast with the sheath coiled like a corkscrew.. Vorticella is a filter feeder feeding on bacteria or small protozoans. The species identification needs special staining techniques like silver impregnation. Microscopic contrast method : differential interference contrast. Captured field width : 0,5mm.

Release details

Model release not required. Property release not required.

Clip Properties:

  • Duration: 00:00:24.14
  • Audio: No
  • Interlaced: No
  • Capture Format: Canon EOS 5D Mark II
  • Codec: Photo - JPEG

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