date:Aug 28, 2018
the growing dead zones in the Chesapeake Bay are the direct result of inadequate water filtration a job that was once carried out by menhaden.
Menhaden keep the ocean waters of the Atlantic and Gulf coasts clean. A menhaden filters four to six gallons of water of algae in a minute, which prevents oxygen-depleting algal blooms that lead to underwater dead zones. If you calculate the filtering capacity of the half-billion menhaden that are turned into fish oil every year, the picture begins to l