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 Service Species of Concern, about which the National Oceanic and Atmospheric Administration, National Marine Fisheries Service, has some concerns regarding status and threats, but for which insufficient information is available to indicate a need to list the species under the US Endangered Species Act. Alewife The alewife ("Alosa pseudoharengus") is an anadromous species of herring found in North America. It is one of the "typical" North American shads, attributed to the subgenus "Pomolobus" of the genus "Alosa". As an adult it is a marine species found in the northern West Atlantic Ocean, moving into estuaries before swimming upstream to breed