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Non-native clams

Maryland Middle Schoolers Welcomed Back To Class With 'Very Rare' Freshwater Pearl Find Maryland Middle Schoolers Welcomed Back To Class With 'Very Rare' Freshwater Pearl Find
Maryland Middle Schoolers Welcomed Back To Class With 'Very Rare' Freshwater Pearl Find Some lucky middle school students in Maryland middle school made a miraculous find when they unearthed a rare pearl during an outage in Harford County. Sixth and seventh-grade students were enjoying the great outdoors at Winters Run when they found a pearl in a freshwater clam unfamiliar to the area, according to the Maryland Department of Natural Resources (DNR). The agency said that “Corbicula is a non-native clam, but it has the capacity to produce pearls. This is very rare, so these kids got lucky!” Corbicula fluminea, also known as "Asian Clams" is an invasive species that is uncomm…