menhaden
men.ha.den \men-'ha-d-*n, m*n-\ n or menhaden also menhadens [of Algonquian origin; prob. akin to Narraganset munnawhatteau^g menhade] pl n : a marine fish (Brevoortia tyrannus) of the herring family abundant along the Atlantic coast of the U.S. where it is used for bait or converted into oil and fertilizer
Webster's English Dictionary