By August 2009, they had become abundant in the Mississippi River watershed from Louisiana to South Dakota and Illinois, and had grown close to invading the Great Lakes via the Chicago Sanitary and Ship Canal.
silver | Silver Star | Horace Silver | Silver Spring, Maryland | carp | Silver Lake | Silver | Silver Spring | The Silver Chair | Silver Jews | Sheldon Silver | Silver Lake Partners | Silver Jubilee | Pokémon Gold and Silver | Silver City | Silver City, New Mexico | Silver Surfer | Silver Linings Playbook | Rolls-Royce Silver Ghost | Queen Elizabeth II Silver Jubilee Medal | ''Pokémon Gold'' and ''Silver'' | Silver-haired bat | Silver Creek | Silver Convention | Silver Bauhinia Star | Nate Silver | Joel Silver | Burton Silver | Asian carp | Silver-washed Fritillary |
As a result of the Fukushima Daiichi nuclear disaster radioactive cesium concentrations of 110 becquerels per kilogram were found in silver crucian carp fish caught in the Tone River in April 2012.