[AndyS]

Clamming is prohibited on Sundays in New Jersey, with the exception of a few areas:
Navesink and Shrewsbury rivers: Clamming is permitted from November 1 to April 30 in these rivers.
Raritan Bay and Sandy Hook Bay: Clamming is permitted on Sundays in these bays.
Other rules for clamming in New Jersey include:
Shellfishing is only permitted between sunrise and sunset.
Shellfish cannot be harvested from condemned waters, even for bait.
Shellfish can only be harvested on public grounds using hand implements.
A shellfish license is required.