Padilla Bay National Estuarine Research Reserve. The Nassa Snail, Nassarius fraterculus, was introduced from Japan and occurs on muddy beaches near Padilla Bay. It may soon appear in other areas of Puget Sound. It is up to 1.3 cm long with strong radial ribs.
Image ID: nerr0807, NOAA National Estuarine Research Reserve Collection
Location: North Puget Sound, Anacortes, Washington