Skipjack shad put into place in the northernmost reaches of its distribution. While the skipjack shad has been attributed to the subgenus "Potomolobius" of the genus "Alosa" along with other North American shad species, it has been found to be phylogenetically the most basal of the "Alosa" species, which are also found in Europe and Western Asia. Skipjack shad The skipjack shad ("Alosa chrysochloris") is a North American, migratory, fresh- and brackish water fish species in the herring family Clupeidae. The name skipjack shad comes from the fact that it is commonly seen leaping out of the water while feeding. Other common
Mattapoisett River mill purposes" and featured three herring weirs; the "Upper Herring Weir" in Rochester, the "Middle Weir" or "Church's Weir", and the "Lower Herring Weir" at the entrance to Mattapoisett Harbor. Fish populations drastically declined during the twentieth century until they were almost extinguished, but local restoration efforts from the 1980s onwards have fostered a slow recovery. The principal restoration tactic has been to remove snags and other obstacles from the river that serve to impede fish migrations. The Lower Herring Weir is one of the few rivers emptying into Buzzards Bay that has electronic fish counters installed. Reports from Alewives