Pretty popular in the north island in some spots. Usually off wharfs or somewhere with lights at night time. Light rods with braid and squid jigs under floats. Over summer I think people get them around picton and marlborough and they are around at kaikoura. The ones I’ve seen in big schools at kaikoura off the wharf are the smaller ones but have seen a few quite big ones of a different species swimming around by themselves. Tried a squid jig off the wharf once at kaikoura with no success and not really much point if you can just cast net them and get a bucket full for bait.