SIPAYIK, Maine—Clams have been entwined with the story of the Passamaquoddy tribe for 13,000 years. Archaeological digs at ancient tribal sites have uncovered “middens,” or piles of discarded ...

Not all bivalves are created equal. Oysters and clams are both bivalves—animals with two connected shells—but they have more differences than similarities. While the differences may not be obvious at ...