👉 The term "plumicorn" refers to a type of shellfish which is commonly found in the United States, particularly in coastal regions. It is often referred to as a "pearl" or "pear-shaped" shellfish due to its resemblance to a pearl. The name comes from the shape of the shell, which resembles the pear-shaped pearl. These shells are typically large and can grow up to 5 inches in diameter. They are commonly found on rocky shores and have been used by