Squalus notocaudatus

{{Short description|Species of shark}}

{{Speciesbox

| image =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Finucci, B. |author2=Lisney, T.J. |author3=Cavanagh, R.D. |date=2019 |title=Squalus notocaudatus |volume=2019 |page=e.T42722A68645459 |doi=10.2305/IUCN.UK.2019-1.RLTS.T42722A68645459.en |access-date=18 November 2021}}

| genus = Squalus

| species = notocaudatus

| authority = Last, W. T. White & Stevens, 2007

}}

Squalus notocaudatus, the bartail spurdog, is a dogfish of the family Squalidae, found on the continental shelf off Queensland, Australia, at depths between 220 and 450 m.{{cite book |author=Compagno |author-link=Leonard Compagno |author2=Dando |author3=Fowler |name-list-style=amp |title=Sharks of the World |publisher=Princeton University Press |location=New Jersey |year=2005 |isbn=0-691-12072-2}} The length of the longest specimen measured, an immature male, is {{convert|62|cm|abbr=on}}.{{FishBase|genus=Squalus|species=notocaudatus|year=2016|month=10}} Its reproduction is ovoviviparous .