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United States Department of Agriculture

Agricultural Research Service

Image Number D1937-1

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Image Number D1937-1

Catfish infected with Ich, caused by Ichthyophthirius multifiliis, a protozoan parasite that is responsible for the white spots on the fish.


Photo by Cindy Ledbetter.

640 pixels wide: (d1937-1.jpg)

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Last Modified: 9/28/2010
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