Scup
Scup
Stenotomus chrysops
Quick Facts
About The Species
The scup fishery in the U.S. operates from Maine to Cape Hatteras, North Carolina. Scup undergo an extensive migration between coastal waters in the summer and offshore waters (outer continental shelf) in winter. They migrate offshore and south in the fall, returning north and inshore to coastal areas and bays in spring. The scup fishery predominantly uses trawls or handlines, but other gear includes longline, rod and reel, pot, trap, gillnet, spear, and dredge. The market for scup is for human consumption. U.S. wild-caught scup is a smart seafood choice because it is sustainably managed and responsibly harvested under U.S. regulations. Implementing regulations are found at 50 CFR part 648 subpart H.
Population Level
Above target population level in the Mid-Atlantic/New England. The population level is unknown in the South Atlantic.
Fishing Status
At recommended level.
Habitat Impacts
Otter trawls can impact bottom habitat. Scup are mainly harvested over sand and mud habitats, which appear to be more resilient to the effects of trawling than more structured habitats, such as coral.
Bycatch
Regulations are in place to minimize bycatch.
Status
- According to the 2019 stock assessment for scup in the Mid-Atlantic and New England, scup are not overfished and are not subject to overfishing. The population status for scup has not been assessed in the South Atlantic region.
- With greatly improved reproduction and survival rates and low fishing rates since 1998, Mid-Atlantic spawning stock biomass (a measure of the amount of scup able to reproduce) has steadily increased since the mid-1990s.
Appearance
- Scup are deep-bodied (deeper from back to belly than they are wide).
- They are dusky brown with bright silvery reflections below and spiny fins.
- Adult fins are mottled with dark brown, and young scup fins may be faintly barred.
- Scup’s front teeth are very narrow, almost conical, and they have two rows of molars in the upper jaw.
- Longspine porgy look similar to scup, but can be easily identified by the elongated spines on their backs.
Biology
- Scup grow slowly, up to about 20 inches long and 4 pounds.
- They can live a relatively long time, up to about 20 years.
- Scup are able to reproduce when they reach age 2, when they’re about 8 inches long.
- They spawn over weedy or sandy areas in southern New England from Massachusetts Bay south to the New York Bight from May through August, with peak activity in June.
- Individual scup spawn once a year.
- Most fish spawn at night, but scientists believe scup spawn in the morning.
- Females release an average of 7,000 eggs, which are fertilized externally.
- Scup are browsers – they nibble on invertebrates that live on the ocean bottom.
- They are able to grasp food with their incisors and crush hard-shelled animals with their strong molars.
- A variety of plankton-eaters—such as medusae, crustaceans, and fish—prey on scup larvae.
- A number of fish and shorebirds prey on juvenile and adult scup.
Where They Live
- Scup are found in the Northwest Atlantic Ocean, primarily between Cape Cod, Massachusetts, and Cape Hatteras, North Carolina.
Management
- NOAA Fisheries, the Mid-Atlantic Fishery Management Council, and the Atlantic States Marine Fisheries Commission cooperatively manage the scup fishery north of Cape Hatteras, North Carolina.
- Individual states may set different regulations for the commercial scup fishery. Where state measures differ from federal regulations, federally permitted fishery participants must adhere to the more restrictive measures.
- Managed under the Summer Flounder, Scup, and Black Sea Bass Fishery Management Plan:
- Annual commercial quota is divided into three harvest periods: Winter I (January–April), Summer (May–October), and Winter II (November–December).
- The Commission manages the summer quota with individual state quotas.
- NOAA Fisheries monitors commercial harvests and closes the federal scup fishery when the quotas are reached.
- Minimum size limits to prevent the harvest of young fish that likely haven’t yet reproduced.
- Minimum mesh size requirements for trawl nets to reduce bycatch of undersized scup.
- Scup pots and traps must have degradable hinges and escape vents to reduce bycatch and to prevent “ghost fishing” (when a lost trap continues to catch fish or lobster).
- A moratorium on entry into the fishery.
- Recreational anglers are subject to an annual harvest limit, minimum fish sizes, possession limits, and open harvest periods.
- NOAA Fisheries and the South Atlantic Fishery Management Council manage the black sea bass fishery south of Cape Hatteras, North Carolina.
- Managed under the South Atlantic Snapper Grouper Fishery Management Plan.
- A small amount of scup is harvested in the South Atlantic. Scup are managed as part of a complex with several other porgy species.
- The Snapper Grouper FMP requires fishermen to have a permit and to comply with gear restrictions. The complex is regulated through commercial and recreational annual catch limits and accountability measures to ensure overfishing does not occur.
Featured News
Jonah crab on toast. Credit: NOAA Fisheries/Heather Soulen.
Chef Rob's Pulled Opah Sandwich. Credit: Sam Wells.
Commercial Fishing Regulations
Possession and Size Requirements
Seasonal Federal Possession Limits
| Quota Period | Months | Possession Limit(lb) |
|---|---|---|
| Winter I | January to April | 50,000 |
| Summer | May to September | Not Applicable |
| Winter II | October to December | 12,000 |
Note:The Winter I possession limit will be reduced to 1,000 lb when 80% of that period’s quota is reached. The Winter II possession limit may be adjusted in association with a transfer of unused Winter I quota to the Winter II period.
- No more than 50 scup are allowed to be possessed by any person unless that person is the owner or operator of a vessel that has a scup moratorium permit.
- The federal minimum fish size is 9 inches in total length.
- Scup harvested by a vessel with a moratorium or charter/party scup permit, or from the EEZ north of 35°15.3; N. lat., may not be landed with the skin removed.
- Please also check with your local state agency for any state or regional measures and requirements that may also apply.
Current Scup Specifications (January 1-December 31, 2020)
| Overfishing Limit (OFL) | 41.17 million lb |
|---|---|
| Acceptable Biological Catch (ABC) | 35.77 million lb |
| Commercial Annual Catch Limit (ACL) | 27.90 million lb |
| Commercial Annual Catch Target (ACT) | 27.90 million lb |
| Recreational ACL and ACT | 7.87 million lb |
| Commercial Quota | 22.23 million lb |
| Recreational Harvest Limit (RHL) | 6.51 million lb |
2020 Commercial Quota Period Allocations
| Quota Period | Months | Quota (lb) |
|---|---|---|
| Winter I | January to April | 10,027,597 |
| Summer | May to September | 8,658,277 |
| Winter II* | October to December | 3,543,336 |
| Total | January to December | 22,229,210 |
*If the Winter I quota is not fully harvested, unused quota from the Winter I period will be rolled over into the quota for the Winter II period.
Reporting A Commercial Catch
Catch Reporting and Vessel Trip Reports (VTR)
VTRs must be submitted with a record of all fishing activity for each month. The reports must be submitted to NOAA fisheries or postmarked within 15 days after the end of the reporting month. Reports can also be submitted electronically through our online reporting page.
Other Reporting Information
The commercial scup fishery does not have any Interactive Voice Response (IVR), Vessel Monitoring System (VMS), or specific observer requirements. However, all federally permitted vessels are obligated to carry an observer if randomly selected by the National Observer Program.
Commercial Gear Information
Otter trawlers –Vessels fishing under a scup moratorium permit must have a minimum mesh size of 5-inch diamond mesh applied throughout the codend for at least 75 continuous meshes forward of the terminus of the net, and all other nets are properly stowed. For codends (including the extension) with less than 75 meshes, the entire trawl net must have a minimum mesh size of 5 inches throughout.
Vessels with a scup moratorium permit that are not fishing in compliance with the above mesh requirements, may retain no more than 1,000 lb of scup from October 1 to April 14, no more than 2,000 lb of scup from April 15 through June 15, and no more than 200 lb of scup from June 16 to September 30. Scup on board these vessels shall be stowed separately and kept readily available for inspection.
Roller gear – A fishing vessel shall not use roller rig trawl gear with rollers greater than 18 inches in diameter.
Pots and traps – Scup pots and traps must have degradable hinges, escape vents, and identification, as follows:
- Degradable hinges made with:
- Untreated hemp, jute, or cotton string of 3/16 in diameter or less; or
- Magnesium allow, pop-up devices or similar magnesium alloy fasteners; or
- Ungalvanized or uncoated iron wire of 0.094 in diameter or less.
- Escape vents
- Circular escape vent with 3.1 in minimum diameter; or
- Square escape vent with sides of 2.25 in minimum length; or
- Rectangular escape vent or equivalent size.
- Identification
- Marked with state identification (home port state); and/or
- Marked with number assigned by the Regional Administrator.
Restricted Gear Areas
There are two gear restricted areas (RGA) in Mid-Atlantic waters outlined in the scup regulations: The Northern Gear Restricted Area 1 and the Southern Gear Restricted Area. Vessels fishing for longfin squid, black sea bass, or whiting in the Northern GRA from November 1 through December 31, or in the Southern GRA from January 1 through March 15, must have a minimum mesh size of 5-inch diamond mesh. Vessels may transit these areas provided that net codends of smaller mesh are properly stowed and not available for immediate use.
Shoreward boundary for scup transfer at sea, as established under Coast Guard consultation and GRAs. All transfers will occur seaward of the boundary line. For exact coordinates, see the scup regulations in the e-CFR.
Science Overview
The most recent benchmark stock assessment for scup was in 2015, where the stock was declared not overfished and overfishing was not occurring. The next assessment for scup is an operational assessment, scheduled for August 2019. This operational assessment will incorporate revised Marine Recreational Information Program data.
Research, Surveys, & Data
Scup Stock Status Based on Most Recent (2015) Benchmark Stock Assessment
| Stock | Scup |
|---|---|
| Spawning Stock Biomass (SSB) | 403.258 million lb (2014) |
| SSBMSY Proxy | 192.467 million lb |
| SSB / ½ SSBMSY Proxy | 4.19 |
| Overfished Definition | The stock is overfished when SSB < ½ SSBMSY |
| Overfished? | No |
| Fishing Mortality Rate (F) | 0.127 (2014) |
| FMSY | 0.718 |
| F/FMSY | 0.177 |
| Overfishing Definition | Overfishing occurs when F > FMSY |
| Overfishing? | No |
| Current Rebuilding Program? | No. Scup stock declared rebuilt in 2009 |
| Next Stock Assessment | Operational assessment scheduled for Summer 2019 |
