The brown topknot (Notoclinus compressus) is a triplefin of the family Tripterygiidae, endemic to New Zealand in rock pools and from low water to depths of about 5 m, in reef areas of broken rock and large brown seaweed of genera Carpophyllum and Cystophora. Its length is up to about 8.5 cm.
Max length : 8.5 cm
The brown topknot lives in marine demersal at a depth range of around 5 meters and in Temperate climate.
This brown topknot species is found in the Southwest Pacific in New Zealand and is usually living in large brown algae.