Brown topknot

{{Short description|Species of fish}}

{{Use New Zealand English|date=July 2024}}

{{Use dmy dates|date=July 2019}}

{{Speciesbox

| name = Brown topknot

| image = Notoclinus compressus 265410573.jpg

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Clements, K.D. |date=2014 |title=Notoclinus compressus |volume=2014 |page=e.T179113A1571460 |doi=10.2305/IUCN.UK.2014-3.RLTS.T179113A1571460.en |access-date=20 November 2021}}

| taxon = Notoclinus compressus

| authority = (Hutton, 1872)

| synonyms = {{Specieslist

|Tripterygium compressum|Hutton, 1872

|Auchenopterus compressus|(Hutton, 1872)

}}

}}

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.{{FishBase|Notoclinus|compressus|month=February|year=2019}}