Sea Lamprey
![Sea Lamprey](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Cory-Brant%2C-MSU%2C-Ocqueoc-River-Pheromone-Trial---A.-Miehls%2C-USGS__0.jpg?itok=QZST2I7Z)
Detailed Description
In Michigan's Ocqueoc River, researcher Cory Brant watches for female sea lampreys, which are drawn to a laboratory-synthesized version of male sea lampreys' chemical mating signal. Photograph credit: Andrea Miehls, USGS