The Atlantic surf clam (Spisula solidissima), also called the bar clam, hen clam, skimmer or simply sea clam, is a very large, edible, saltwater clam or marine bivalve mollusk in the family Mactridae. Bar clams occur from Labrador to the Gulf of Mexico. They are most abundant in the Canadian part of the range in the southern and western Gulf of St. Lawrence where they are commonly found on clean … Ming happened to be part of a group of 200 clams that were dredged from the ocean and frozen as part of a research project about climate change. Learn about clams and bivalves (Pelecypoda spp.) benthic macroinvertebrates by exploring the life cycle, feeding habitats, interesting facts and their role in the food chain. A small fraction of these, including bivalves such as clams and mussels, are actually targeted by California's recreational and commercial fisheries. Read on to learn more about bivalve species … Note: The short video [3:15 minutes] presented by "Deep Marine Scenes" contains even more clam facts with some amazing footage of the biggest living bivalve in the ocean.