Arctica islandica (Linnaeus, 1767) Ocean Quahog

Arctica islandica (Linnaeus, 1767) Ocean Quahog

    From 20 to 30 feet on rocky bottom, Ledbetter's Narrows, North Haven, Maine. The specimen illustrated on the top measures 80 mm. and the specimen on the bottom measures 120 mm. Digital images by Joel Wooster.