YARMOUTH, Maine (AP) — Maine's clams are in rough shape, but the state's annual celebration of the bivalves is determined to end with a bang.

The 54th Annual Yarmouth Clam Festival wraps up for the year on Sunday. The three-day event draws thousands of people to coastal Maine for food, merriment and competitions such as the 39th Annual Clam Festival Men's & Women's Professional Bike Race.

Maine's softshell clam harvest, though, is dwindling. Harvesters collected less than 1.5 million pounds of clam meat for the second year in a row in 2018. They typically collected 3 million to 7 million pound...