Washington Department of Fish and Wildlife http://wdfw.wa.gov/fishing/shellfish/geoduck/ geoduck clam WDFW http://wdfw.wa.gov/fishing/shellfish/geoduck/ Geoduck Clams seriously phallic. http://wdfw.wa.gov/fishing/shellfish/geoduck/ Geoduck Clams Washington Department of Fish and Wildlife geoduck clam Panopea generosa “extremely abundant” in Puget Sound Geoduck Geoduck Washington Department of Fish and Wildlife geoducks