Sharpfin houndshark

{{Short description|Species of shark}}

{{Speciesbox

| name = Sharpfin houndshark

| image =

| status = EN

| status_system = IUCN3.1

| status_ref = {{Cite journal | author = Compagno, L.J.V. | author2 = Kyne, P.M. | author3 = Domingo, A. | name-list-style = amp | title = Triakis acutipinna | journal = The IUCN Red List of Threatened Species | volume = 2009 | page = e.T39361A10216173 | publisher = IUCN | date = 2009 | url = http://www.iucnredlist.org/details/39361/0 | doi = 10.2305/IUCN.UK.2009-2.RLTS.T39361A10216173.en | access-date = 13 December 2017| doi-access = free }}

| genus = Triakis

| species = acutipinna

| authority = Kato, 1968

| range_map = Triakis acutipinna distmap.png

}}

{{Portal|Sharks}}

The sharpfin houndshark (Triakis acutipinna) is a houndshark of the family Triakidae. Only two specimens have been found, both in the coastal waters of Ecuador, the longest one being 1.02 m in length. The reproduction of this houndshark is ovoviviparous.{{FishBase| genus = Triakis | species = acutipinna | month = July | year = 2006}}