A  paper, to be published Wednesday,  suggests that some Asian carp have breached electronic barriers designed to keep them from entering the Great Lakes.

Four scientists prepared the article, published online by Conservation Letters. They report Asian carp DNA was detected in 58 samples taken from Chicago-area waterways over a period of nearly one year.

READ MORE: Safety Is Top Priority As Parents, Students Prepare For Upcoming School Year

The group says that while its findings suggest the presence of bighead and silver carp, it is unclear how many live fish could be in the waters.

READ MORE: Donations Needed For Landfill Search To Find Zion Foster

Michigan and other states have been warning that an invasion of Asian carp, which grow to four feet in length and weigh up to 100 pounds, could devastate the multi-billion dollar Great Lakes sport fishing industry.

Federal officials have contended that an electric barrier 25 miles south of Lake Michigan has thus far been successful in delaying the carp’s advance.

MORE NEWS: Businesses Make Changes To Keep Customers Safe Amid Boil Water Advisory In SE Michigan

(Copyright 2020 WWJ Newsradio 950. All Rights Reserved. The Associated Press Contributed To This Story)