Southwest Pacific: deep water slopes and plateaus surrounding New Zealand (Challenger Plateau, Chatham Slope and Rise, Hikurangi Trench, Campbell Plateau,Bounty Plateau)
Definition: length from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body