Alewife of many native species of fish. In an effort to control them biologically, Pacific salmon were introduced, only partially successfully. As a marine fish, the alewife is a US National Marine Fisheries Service "Species of Concern". Alewives reach a maximum length of about 40 cm (16 in), but have an average length of about 25 cm (10 in). The front of the body is deep and larger than other fish found in the same waters, and its common name is said to come from comparison with a corpulent female tavernkeeper ("ale-wife"). In southwestern Nova Scotia, it is called a kiack
Alewife station required planning the Red Line Extension so it could later be brought out to Route 128 to Lexington, via Arlington, along the route of the former Lexington and West Cambridge Railroad. The Red Line tracks extend past the station, under Route 2, and terminate in a small underground storage yard. Alewife Station was designed with a future extension of the Red Line to points north in mind, possibly using the MBTA's Lexington Branch right-of-way. When the adjacent chemical plant eventually closed and was replaced by an office and hotel development, the rail spur to the plant (along a short remaining