Today, we pull the veil back on the secret sex lives of leeches and how researchers at McMaster University and Fisheries and Oceans Canada are using that information to learn about endocrine disrupting chemicals. Leeches, who gained worldwide popularity when making their film debut in the blockbuster “Stand by Me” in 1986, have actually been around much, much longer. They are found on every continent in freshwater habitats where there is little flow. They are popular bait for fishing, and doctors continue to use them in medical treatments.
Click here for original story, Everything you ever wanted to know about leech sex but were afraid to ask
Source: Phys.org