Bay Scallop means that species of marine mollusk known as Argopecten irradians.
Shell Height means a straight line measurement from the middle of the hinge to the opposing valve margin.
Seed Scallop means scallops that are sexually immature and do not bear a well-defined raised annual growth line.
Exception. Bay Scallops that have a well-defined raised annual growth line located less than ten millimeters (mm) from the hinge of the shell, shall be lawful to harvest and possess if the shell height is at least 63.5 millimeters or 2.5 inches.
322 CMR, § 6.11