New York Natural Heritage Program
Eastern Pondmussel
Ligumia nasuta (Say, 1817)

New York State Distribution [-]
Although L. nasuta originated on the Atlantic slope, it has dispersed across much of the state, probably through the Erie Canal. It can be found only sporadically in the Hudson, Delaware, and Housatonic basins and is scattered in the Erie-Niagara drainage, and in central New York. It appears that the species has been lost from the St. Lawrence watershed, since all of the records of live animals are pre-1970 sightings. However, since 1980 the species has been found at three new locations in the Allegheny basin: Chautaqua Lake (most likely introduced through fish stocking), Cassdadaga Creek, and the Chadokin River (Strayer and Jirka 1997).

Global Distribution [-]
This is primarily an Atlantic slope species, but is also known from the lower Great Lakes. Overall it ranges from Lake Ontario and Lake Erie in Canada, south and east to the Altantic drainages in South Carolina (Connecticut, Delaware, Massachusettes, Maryland, Michigan, North Carolina, New Hampshire, New Jersey, New York, Ohio, Ontario, Pennsylvania, Rhode Island, South Carolina, Virginia, Vermont, Washington DC).
Best Places to See
• Lake Taghkanic (Columbia County)