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News Release 11-025
The Most Genes in an Animal? Tiny Crustacean Holds the Record
New "model organism" to help environmental health protection
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The tiny water flea Daphnia has the most genes of any animal, some 31,000.
Credit: Paul Hebert, University of Guelph
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Daphnia, or water flea, with a clonal brood of offspring.
Credit: Paul Hebert, University of Guelph
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A defensive helmet helps protect Daphnia against predators.
Credit: Paul Hebert, University of Guelph
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Daphnia with mild defensive neckteeth; the teeth are used against predators.
Credit: Paul Hebert, University of Guelph
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Juvenile Daphnia with and without defensive neckteeth.
Credit: Christian Laforsch, Ludwig-Maximilians-Universitat, Munich
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The researchers' findings are described in the February 4, 2011 issue of the journal Science.
Credit: Copyright AAAS 2011
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