|A Virtual Pond Dip
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(Example of a peritrich)
Name (genus) :Vorticella
Size : The 'bell' is up to 150 µm, with stalk up to 1 mm.
Where to find them : Attached to algae and plants etc.
Notes : Vorticella are one of the peritrich protozoa. Although solitary, they often occur in groups to form a tiny jelly-like mass just visible to the naked eye. Their stalks contract like a spring. Some similar types e.g. Epistylis (not contractile) and Carchesium (contractile) are true colonies with branching tree-like stalks.
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Published in Micscape Magazine February 2001.
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All images © Wim van Egmond