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Grass Carp


White Amur (Ctenopharyngodon idella)



The grass carp, also called white amur, is almost exclusively herbivorous and, for that reason, is commonly used for aquatic weed control.  A native to Asia, it was introduced into the United States in 1963.  It is one of the largest members of the minnow family.  The scales of the grass carp are relatively large.  Its back is silver to dark gray and the sides are lighter with a slight golden sheen.  The belly is a silvery white. Only triploid (sterile) grass carp can be stocked in Tennessee.  Grass carp that are triploid (three sets of chromosomes) live an average of 9 years and usually grow to weigh from 30 to 50 pounds.  Some state records are over 70 pounds.  The normal diploid grass carp can live up to 21 years and reach 100 pounds. 


Tennessee record Grass Carp:  70 lbs 0 oz  6/4/2005


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