https://www.usgs.gov/publications/downstream-migration-recently-transformed-sea-lampreys-and-after-treatment-a-lake
Downstream migration of recently transformed sea lampreys before and after treatment of a Lake...
After the Pere Marquette River was treated with a lampricide in May 1964, the number of recently transformed sea lampreys (Petromyzon marinus) collected in the...
before and after treatment