The Geoduck (“gooey duck”), Panopea generosa, is a species of very large saltwater clam, a marine bivalve mollusk in the family Hiatellidae. The shell of this clam is large, about 15 centimeters (5.9 in) to over 20 centimeters (7.9 in) in length, but the very long siphons make the clam itself very much longer than this: the […]