NCDMF Stock Status

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SUMMER FLOUNDER
(06/08 NCDMF)

Stock Status - Concern - The 2007 Northeast Fisheries Science Center Stock Assessment indicates the stock is overfished and overfishing is occurring based on the current biological reference points. However, a benchmark stock assessment is currently underway, which could result in changes to the stock status and reference points. Fishing mortality has steadily decreased since the early 1990s. Spawning stock biomass has steadily increased from the early 1990s to 2005 but decreased in 2006.

Average Commercial Landings and Value 1998-2007 – 3,528,527 lbs./$6,292,242

2007 Commercial Landings and Value –2,670,221 lbs./$ 6,364,131 (quota-managed)

Average Recreational Landings 1998-2007 – 289,185 lbs., 2007 – 283,321 lbs.

Average Number of Award Citations (5 lbs.) 1998-2007* – 395, 2007* – 312

Average Recreational Commercial Gear License (RCGL) Landings 2002-2007* – 69,683 lbs., 2007* – 41,542 lbs.

Status of Fisheries Management Plan (FMP) – In North Carolina, summer flounder is currently included in the Interjurisdictional FMP, which defers to Atlantic States Marine Fisheries Commission (ASMFC)/Mid-Atlantic Fisheries Management Council (MAFMC) FMP compliance requirements. Currently managed under Amendment 12 to the joint ASMFC/MAFMC FMP for Summer Flounder. Management measures include commercial quotas, minimum mesh sizes for trawls, minimum fish size limits, recreational bag limits, and a moratorium on new entrants into the commercial fishery.

Research and Data Needs – discard mortality estimates, age comparisons of northern and southern fish using scales and otoliths, continued expansion of observer coverage in the flounder trawl and scallop dredge fisheries

Current Regulations – commercial: 14-inch total length (TL) minimum size limit in internal and ocean waters; closed season in Atlantic Ocean through November 1, once 80 percent of quota is harvested; bycatch trip limit of 100 lbs. during closed season. A License to Land Flounder from the Atlantic Ocean is required to land more than 100 lb. per trip. recreational: 15 ½ -inch TL minimum size limit/8 fish creel limit for eastern estuarine waters and ocean waters north of Brown’s Inlet with no closed season; 14-inch minimum size limit/8 fish limit in western estuarine waters and ocean waters south of Brown’s Inlet with no closed season

Harvest Season — January until 80 percent of the quota is harvested (March-April) and November to December

Size and Age at Maturity – 11 inches TL/1.5 years (females), 10 inches TL/1 year (males)

Historical and Current Maximum Age – 15 years/11 years

Juvenile Abundance Index 1998-2007^# – 9.9, 2007^ – 3.6 (not validated)

Habits and Habitats – Summer flounder are estuarine dependent members of the left-eyed flounder family that also include southern flounder and Gulf flounder. Summer flounder migrate offshore and north during winter and early spring, and inshore and south during summer and fall. Summer flounder spawn from November through March when water temperatures are between 53° and 67°. Larval summer flounder enter inlets and settle on sandy bottoms in higher-salinity areas of estuaries. After or towards the end of their first year, summer flounder move into ocean waters to spawn and join the coastal migratory groups.

*Includes southern, summer and gulf flounders, but the majority are southern flounder.
^ Arithmetic mean from Pamlico Sound Survey (June only)
# 1999 index excluded because sampling conducted in July

For more information, contact Chris Batsavage at chris.batsavage@ncmail.net (800-682-2632 or 252-726-7021).

Back to the 2008 Stock Status Table