Five new mussel species reveal how much biodiversity US rivers still conceal

For 20 years, researchers snorkeled through rivers across the southern U.S., feeling along muddy bottoms for mussels. Many of the shells they pulled up looked like familiar species, but their DNA told a different story. Scientists from Shedd Aquarium, Arkansas State University, and the U.S. Geological Survey (USGS) have described five new species of freshwater […...
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