American researchers have been tagging and releasing both sterile (triploid) and fertile (diploid) grass carp to study them. A female diploid grass carp can contain thousands of eggs, and they are known to be reproducing in the Great Lakes basin. photo by Ryan Hagerty/USFWS
American researchers have been tagging and releasing both sterile (triploid) and fertile (diploid) grass carp to study them. A female diploid grass carp can contain thousands of eggs, and they are known to be reproducing in the Great Lakes basin. photo by Ryan Hagerty/USFWS
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