Onychoteuthis borealijaponica

{{Short description|Species of squid}}

{{Speciesbox

| name = Boreal clubhook squid

| image = Onychoteuthis borealijaponica.jpg

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Barratt, I. |author2=Allcock, L. |date=2014 |title=Onychoteuthis borealijaponica |volume=2014 |page=e.T163203A983134 |doi=10.2305/IUCN.UK.2014-1.RLTS.T163203A983134.en |access-date=18 November 2021}}

| taxon = Onychoteuthis borealijaponica

| authority = (Okada, 1927){{cite WoRMS |author= Philippe Bouchet |year= 2018|title=Onychoteuthis borealijaponica Okada, 1927 |id=342069 |accessdate=16 March 2018|db=MolluscaBase}}

}}

Onychoteuthis borealijaponica, the boreal clubhook squid, is a species of squid in the family Onychoteuthidae. It is the largest member of the genus Onychoteuthis, reaching a mantle length of 30 cm in males and 37 cm in females. Maturity is reached at 250 mm for males, and 300–350 mm in females. There are 24–27 hooks on each club, which is more than any other species in the genus Onychoteuthis.{{cite web | author1 = Vecchione, Michael | author2 = Richard E. Young | author3 = Kotaro Tsuchiya| author4 = K.S.R. Bolstad | name-list-style = amp | year =2013 | title = Onychoteuthis borealijaponica Okada, 1927. Version 08 January 2013 (under construction) | url = http://tolweb.org/Onychoteuthis_borealijaponica/19963/2013.01.08 | publisher = The Tree of Life Web Project}} It is a pelagic species native to the North Pacific, although it migrates into Subarctic waters during the summer from its more southerly winter spawning grounds.