The New Zealand topknot, Notoclinus fenestratus, is a triplefin of the genus Notoclinus, found around the North Island of New Zealand in reef areas of broken rock and brown seaweed. References Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) Notoclinus Endemic marine fish of New Zealand Fish described in 1801