Lake Learning column: What good are leeches and snails?
I've noticed that there are a lot of those little white spiral shells along the beach this spring, which inspired me to talk about the creepy crawlies in the lake that we often overlook. Leeches and aquatic snails are commonly ignored and considered a nuisance, but they are actually very important in our lakes. Leeches and snails play a large roll in the lake ecosystem. They are an important food source for aquatic animals including fish, ducks, crayfish, and turtles.
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