River Snail
Goniobasis virginica
Size: to 1"
Habitat: flowing water
Notes: This is one example of the many small snails you may find during a freshwater dive. They are very common in Round Valley Reservoir, which is filled from the Raritan River.
This page lumps together representatives from crustaceans and mollusks. Freshwater typically has lower diversity than the ocean. However, this is just a tiny sample of what may be found.
More: Shellfish ...