5The court by which a person is convicted of an offence against this Act may order the forfeiture of—
(a)any fish illegally taken by him or in his possession at the time of the offence ;
(b)any instrument, bait or other thing used in the commission of the offence;
(c)in the case of an offence of unlawful possession of any substance or device in contravention of section 5 above, that substance or device ; and
(d)on conviction on indictment, any vessel or vehicle used in or in connection with the commission of the offence or in which any substance or device unlawfully in his possession was contained at the time of the offence ;
and may order any object so forfeited to be disposed of as the court thinks fit.