Depth 100 m, SST 22.5 Celcius, estimated length 6-7 m
Images provided courtesy of Mitchell Handcock. Video at: https://www.facebook.com/groups/nzbiggamefishing/permalink/2573213699386930/
Rounded dorsal fin observed not great photos though sorry. Location isn't working in the app so I will describe.. it was on its own near the entrance to ngakuta bay Queen Charlotte sound.