NJ Crab Regulations: Size Limits, Gear Marking, and Pot Rules

New Jersey crab regulations set three license tiers based on gear, cap recreational crabbers at one bushel per day, require blue crabs to measure at least 4.5 inches (hard shell), 3.5 inches (soft), or 3 inches (peeler), and prohibit keeping any egg-bearing female. Violations typically cost $30 per crab, per pot, or per infraction, and unauthorized dredging triggers a mandatory 12-month license revocation.

When You Need a License

Casual crabbing from a pier or dock usually needs no license at all. Hand lines, dip nets, scoop nets, and manually operated collapsible traps can be used recreationally without any permit.¹

Heavier stationary gear is where licensing kicks in. A non-commercial crab pot and trot line license allows up to two non-collapsible Chesapeake-style crab pots or two trot lines. Trot lines cannot exceed 150 feet or carry more than 25 baits, and every piece of gear must display the license number.² The application fee is $2.¹

A separate non-commercial crab dredge license costs $15 and limits you to one bushel per day during the dredge season. Crabs taken under this license cannot be sold or bartered.³

Anyone catching crabs to sell or barter needs a commercial crab pot/trot line license or a commercial crab dredge license from the Division of Fish and Wildlife. A commercial dredge license runs $100 per water body, with separate licenses for the Atlantic Coast and Delaware Bay.⁴

Size Limits and Daily Catch

Every blue crab must meet a minimum size, measured point to point across the widest part of the shell:

Hard-shell crabs: 4.5 inches
Soft-shell crabs: 3.5 inches
Peeler or shedder crabs: 3 inches

The daily recreational limit is one bushel per person. Possessing more than that, or selling any crabs without a commercial license, is illegal.⁵

Female crabs carrying eggs are off limits entirely. You cannot keep a female with eggs or spawn attached, and you also cannot possess a female whose egg pouch has been removed. Stripping the eggs to hide a sponge crab is treated as its own violation, and the fine is $30 for each illegal crab in your possession.⁶⁷

Legal Gear and How It Must Be Marked

Hand lines, dip nets, scoop nets, and manually operated collapsible traps are the default for shoreline and dock crabbing. No license, no gear marking.¹

Non-collapsible Chesapeake-style crab pots and trot lines require the non-commercial license. Two pots or two trot lines is the cap. Every pot and trot line must be marked with the license number.² Gear used outside these rules can be seized and forfeited.⁷

Crab Pot Rules

Every crab pot must be checked and emptied of all crabs and other organisms at least once every 72 hours. Missing a check costs $30 per pot, so leaving gear soaking over a long weekend is a fast way to run up penalties.⁸

Commercial pots must have a biodegradable escape panel in the upper portion, at least 6.5 inches wide and 5 inches high, so a lost pot eventually stops fishing. The panel or its fasteners must break down in saltwater: wood lath, natural-fiber twine (cotton, hemp, sisal, or jute) no thicker than 3/16 inch, or non-stainless, uncoated iron wire no thicker than 3/32 inch. A pot without a compliant panel is a $30 fine.⁸

Each pot needs a buoy or stake with the owner’s license number, marked with fluorescent or reflective paint, tape, or reflectors. Floating line is prohibited on crab pots and their buoys.⁸

Where You Cannot Set Pots

Several waterways are closed to crab pots by regulation:

Cumberland County: Cohansey River, Back Creek, Cedar Creek, Nantuxent Creek, Fortescue Creek, Oranoken Creek, and Dividing Creek
Cape May County: West Creek, Bidwell Creek, and the Cape May Canal
Atlantic County: Hammock Cove (also known as Dry Bay)
Ocean County: the Sedge Island Wildlife Management Area on the eastern shore of Barnegat Bay, bounded by the area once known as Winter Anchorage

Beyond the named closures, no pot can go in a creek, ditch, or tributary less than 50 feet wide at mean low water without Division approval, and pots are banned from marked or charted navigation channels. In man-made lagoons, only recreationally licensed pots are allowed, and they must be tied to a pier or shore-connected structure by a line no longer than twice the water depth. Hand lines, dip nets, and continuously tended collapsible traps stay legal in those lagoons.⁵

Crab Dredge Seasons

Dredging is the most tightly restricted method. It is allowed only during designated seasons that vary by water body:

Delaware Bay and tributaries: November 15 through April 15
All other waters: December 1 through March 31

Outside these windows, having a dredge and crabs in the same boat is treated as evidence of a violation, even if the dredge was not deployed. Dredging is also limited to daylight hours, from half an hour after sunrise to half an hour before sunset.⁹

Crabbing with pots, trot lines, and hand lines is generally allowed year-round, so the dredge dates matter mainly if that is the method you rely on.³

Commercial Reporting

Commercial license holders file Harvester Trip Reports every month, postmarked by the 10th of the following month. Months with no fishing still require a “Did Not Fish” report. Reports can be filed electronically through the Standard Atlantic Fisheries Information System (SAFIS) or on paper, with blue crab catch recorded in pounds, bushels, or numbers. Each report includes pot counts, haul counts, soak time, and chart area, and a new report is required whenever gear type, chart area, or mesh size changes during a trip.¹⁰

Fines and License Revocation

Conservation officers from the Division of Fish and Wildlife check pots, measure crabs, and verify licenses on the water, and they also inspect seafood markets and restaurants for illegally harvested crabs. The penalty regulation sets specific fines by infraction:

No valid license in possession while tending gear: $30 for a first offense, $50 for each later offense
Failing to check crab pots every 72 hours: $30 per pot
Possessing egg-bearing female crabs: $30 per crab
Pots without biodegradable escape panels: $30 per pot

These add up quickly. Twenty pots without compliant panels comes to $600 from one inspection.⁷

The most severe specific penalty targets unauthorized dredging. Dredging crabs outside a designated dredge area, or on marked leased shellfish grounds, triggers a mandatory 12-month revocation of dredge license privileges and seizure of the entire catch on board. The commercial license holder is personally liable even when a crew member committed the violation. For anything not covered by the specific fines, the general penalty provisions of New Jersey fish and wildlife law apply, gear used in a violation can be seized and forfeited, and paying an administrative penalty does not bar the Division from pursuing a larger amount through prosecution.⁷

1
New Jersey Department of Environmental Protection. Recreational Licenses and Permits
2
Legal Information Institute. New Jersey Code NJAC 7:25-14.5 – Non-Commercial Licenses for Crab Pot/Trot Line and Crab Dredges
3
New Jersey Department of Environmental Protection. New Jersey Marine Digest 2025
4
New Jersey Division of Fish and Wildlife. Commercial Marine Application – Resident License
5
NJ Department of Environmental Protection. NJ Recreational Crab Pot and Trot Line Regulations
6
Legal Information Institute. New Jersey Code NJAC 7:25-14.9 – Female Crabs With Eggs Attached
7
Legal Information Institute. New Jersey Administrative Code NJAC 7:25-14.20 – Penalties
8
New Jersey Department of Environmental Protection. New Jersey Administrative Code 7:25-14 – Crab and Lobster Management
9
Legal Information Institute. New Jersey Code NJAC 7:25-14.7 – Use of Crab Dredges
10
New Jersey Department of Environmental Protection. New Jersey Commercial Harvester Trip Report Reporting Instructions