Orangefoot Pimpleback. Monkeyface. Fuzzy Pigtoe. No, these aren’t insults hurled by children on the playground; they’re freshwater mussel species. Despite their playful monikers, these rock-like animals seriously improve water quality in rivers and streams. A new exhibit in the Tennessee Aquarium’s Ridges to Rivers gallery showcases these often-underappreciated organisms and draws attention to their role in maintaining …
