{Silver plover} (Zo["o]l.), the knot. {Silver salmon} (Zo["o]l.), a salmon ({Oncorhynchus kisutch}) native of both coasts of the North Pacific. It ascends all the American rivers as far south as the Sacramento. Called also {kisutch}, {whitefish}, and {white salmon}. {Silver shell} (Zo["o]l.), a marine bivalve of the genus Anomia. See {Anomia}.