N.J. Stat. § 23:9-9
No person shall catch and take or attempt to catch and take sturgeon from the Delaware river above or below Trenton falls, with any device excepting a seine or gill net, the meshes of which shall not be less than thirteen inches stretched measure while being fished, or catch and take or attempt to catch and take any other food fish from said waters with a seine the meshes of which shall be less than two and one-half inches stretched measure while being fished, or any gill net the meshes of which shall be less than five and one-quarter inches stretched measure while being fished; provided, that gill nets with a mesh not smaller than three inches may be used from March first to June tenth in each year for the purpose of taking herring only. No person shall catch and take or attempt to catch and take any food fish, except sturgeon, by means of a seine or gill net between June tenth in each and every year and March first next ensuing, provided that suckers may be taken with a seine only from October fifteenth in each and every year to March fifteenth next ensuing.
No person shall use gill nets as provided in this section in the Delaware river above Trenton falls.
Any person who shall violate any of the provisions of this section shall be subject to a fine of one hundred dollars, together with a forfeiture of all nets, boats and appliances used.
N.J.S. § 23:9-9