Any regulation of the council or amendment thereto adopted pursuant to the provisions of this article which relates to fresh water fish, or any species or variety thereof, after the council has first determined the need for such action on the basis of scientific investigation and research, may apply to all or any portion of the State, at the discretion of the council, and may do any or all of the following as to any or all species or varieties of fresh water fish:
N.J.S. § 13:1B-31