Hickory shad Hickory shad Hickory shad ("Alosa mediocris") is a member of the herring family Clupeidae, ranging along the East Coast of the United States from Florida to the Gulf of Maine. It is an anadromous fish species, meaning that it spawns in freshwater portions of rivers but spends most of its life at sea. It is subject to fishing, both historic and current, but it is often confused with or simply grouped together with catch statistics for American shad ("Alosa sapidissima"). Hickory shad ranges from northern Florida to the Gulf of Maine. The largest populations occur in Chesapeake Bay and coastal
Herring as food the cancer-causing effect of PCBs and dioxins. The contaminant levels depend on the age of the fish which can be inferred from their size. Baltic herrings larger than 17 cm may be eaten twice a month, while herrings smaller than 17 cm can be eaten freely. Mercury in fish also influences the amount of fish that women who are pregnant or planning to be pregnant within the next one or two years may safely eat. Herring has been a staple food source since at least 3000 B.C. There are numerous ways the fish is served and many regional recipes: eaten