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Of the 650 species of leech listed, Hirudo medicinalis is one of the most extensively studied. This annelid from the subclass Hirudinea has 2 suckers, one housing the mouth and its 3 jaws. It lives mainly in the stagnant waters of marshes and ponds. When it comes to reproduction, the animal is a hermaphrodite. Inseminated leeches lay their eggs during the spring and summer months, outside the water, with cocoons containing as many as thirty young.
There are emotional leeches, productivity leeches, and financial leeches to contend with, as well. Itâs helpful to know how to remove any of the leeches from you, just in case you ever get one attached. This three-part series will give you tips on identifying and removing them. This first part covers real leeches and emotional leeches.