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Common Name: Alewife
Other Names: Sawbelly
Scientific Name: Alosa Pseudoharengus
Adult Size: Young of the year, alewives reach a length of 2 to 3 inches by their first fall and are usually 4 to 6 inches long at maturity. Males reach sexual maturity at age 2 and females mature at age 3.
Identification: Alewives are predominantly silver, except for a grayish green back. There is also a single black spot just behind the head at eye level. The common name "sawbelly" originates from the very distinctive overlapping scales along the belly that creates a saw-like keel.
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