Submitted by keith_curley on Mon, 2013-03-04 06:28 Groups audience Potomac River Wild Fish Challenge Vote Up Down -64 + From Animal's TPFR post... I just spoke with Gordon Leisch. He is a former marine biologist and VERY long time Potomac fall line angler. His logs go back 50 + years. We averaged the date of the first bite for a few species. Based on his records they are as follows. Blue Catfish Year Round 20 - 40 pounders being caught now on the sandbar Gizzard Shad March 1 in numbers but always around White Perch March 15th H Shad March 30th River Herring March 30th Striped Bass (big) April 1st Snakeheads Insufficient data Usually around the 1st of April with a high water event A Shad April 15th