Not exactly what I would expect to find in a drainage ditch in Kansas or anywhere else. According to the article, the record for grass carp(caught while fishing) in KS is 77.7lbs.
http://www.reuters.com/article/2015/07/14/us-usa-kansas-fish-idUSKCN0PO2P820150714
Huge carp found in Kansas ditch is no fish story
KANSAS CITY, MO. | BY KEVIN MURPHY
http://www.reuters.com/article/2015/07/14/us-usa-kansas-fish-idUSKCN0PO2P820150714
Huge carp found in Kansas ditch is no fish story
KANSAS CITY, MO. | BY KEVIN MURPHY