N.J. Stat. § 23:9-12
It shall be lawful to catch food fish with rods and lines and hand lines, and trolling lines as described in section 23:9-6 of this Title, at any time of the year in the Delaware river above or below Trenton falls. No person shall fish for and take game fish, excepting during such periods as shall be prescribed in the State Fish and Game Code, or if none are so prescribed then except from June 15 to December 1, inclusive, in each year; provided, that any char, commonly called brook or speckled trout, or any form of trout, may only be taken between April 15 and July 31, both dates inclusive, in each year unless otherwise prescribed in said code. Any person violating any of the provisions of this section shall be subject to a fine of $10.00 for each and every fish so taken.
N.J.S. § 23:9-12