Single-celled organisms that can be internal parasites (see above) in iguanas. There are a variety of protozoans that may be parasitic in iguanas. For more information, see the Parasites page.

Single celled eukaryotic organisms belonging to the kingdom Protista. !-- assign table width based on how this page is called close_it();

a collection of single-celled organisms, some of which are parasitic and can cause disease and some of which live in the environment and do not infect other animals.

Single celled eukaryotic organisms belonging to the kingdom Protista. close window

Tiny microscopic single celled creatures that include common fish afflictions like Ichthyophthirius or White Spot Disease. Protozoans typically have one nucleus within their cell, a contractile vacuole for regulating water content and either cilia or flagella for feeding and movement. Most reproduce by binary fission - dividing into two.