• _weakfish.jpg
     Weakfish are found along the east coast from Nova Scotia to Florida and can reach a length of 91 cm (3 ft.) and a weight of 19 lbs.  
  • _weakfish3juveniles.jpg
     Juvenile Weakfish occur in Trawl Survey catches as early as late May. They are found throughout Chesapeake Bay and it's tributaries until early winter, when they migrate offshore.  
  • _weakfishandsilverseatrout.jpg
     Many species from the family Sciaenidae are found in Chesapeake Bay and some can be difficult to distinguish from one another. Here is a Silver Seatrout (Cynoscion nothus) and a Weakfish. These species look very similar, but the Silver Seatrout lacks conspicuous spots. They can also be distinguished from one another by their tongue pigmentation.  
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 Plot of weakfish indices

  • This species first recruits to the survey gear in June.
  • The only index calculated is for Age 0 fish. 
  • The Young-of-Year cutoff values are:
    • June: 0-90 mm.
    • July: 0-120 mm.
    • August: 0-150 mm.
    • September: 0-180 mm.
    • October: 0-200 mm.
    • November: 0-200 mm.
    • December: 0-200 mm.
    • January: 0-200 mm.
    • February: 0-200 mm.
    • March: 0-200 mm.
    • April: 0-225 mm.
    • May: 0-240 mm.
  • YOY Index months are in bold.
  • Stations in both the upper and lower portions of the rivers and all Bay stations are used.

Data collected after the transition to a new vessel and net (June 2015) have been adjusted by a species-specific calibration factor and are denoted in gray. 

Weakfish Excel file