Only need enough for a feed, the adults are in decline so letting a few juveniles pass would have to be beneficial. The current forecast is for the adult population of inanga in Marlborough is to decline by 70% within 10 years, and for shortjaw kokopu to decline by 30%, and that is despite improvement to be habitat, removing stock from waterways and measures to remove obstacles which would prevent fish from moving upstream.


Anyone want to guess when this letter to the editor was published?