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Copepods are very small crustaceans found everywhere in shallow waters and in open-water plankton of ponds and lakes. A few kinds are parasitic on aquatic animals; they tend to feed on algae, bacteria and organic debris. There are three groups of Copepods: Calanoid, Cyclopoid and Harpacticoid.
Although the species diversity in freshwater is not as high as in the sea copepod abundance may sometimes be great enough to stain the water.
August 1, 2007 11:02 AM | Category: Animals