"Last summer, we celebrated the spotting of American shad below the Black Rock Dam near Phoenixville—the first time the native species had been observed above Norristown since 1820. This summer, the shad look to shatter that record. During the last week of May 2012 , biologists from the Pennsylvania Fish and Boat Commission observed several adult American shad passing through the Black Rock Fishway."
Wonder how far they made it?
Record Breaking Shad