Question: what size are middleneck clams?
Answer: At harvesting, littleneck clams range between 1 7/8 and 2 1/8 inches in length, while the much larger cherrystone spans between 2 3/8 and 3 1/8 inches in size. The smallest size is the button, those under 1 7/8 inches long. These little clams aren't legal to harvest.