Northland MP Grant McCallum says the recreational and sport fishing industry based around marlin has more value than any commercial bycatch will have. Photo / Supplied. Inset / NZMENorthland MP Grant McCallum says the recreational and sport fishing industry based around marlin has more value than any commercial bycatch will have. Photo / Supplied. Inset / NZME

Ocean and Fisheries Minister Shane Jones says changes to the Fisheries Act are about growing the industry while ensuring sustainability. Photo / NZMEOcean and Fisheries Minister Shane Jones says changes to the Fisheries Act are about growing the industry while ensuring sustainability. Photo / NZME