relict splitfin

{{Short description|Species of fish}}

{{Speciesbox

| name = Relict splitfin

| image = Xenoophorus captivus - Aquaportedorée 02.JPG

| status = EN

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Koeck, M. |author2=Daniels, A. |date=2019 |title=Xenoophorus captivus |volume=2019 |page=e.T23116A2783687 |doi=10.2305/IUCN.UK.2019-2.RLTS.T23116A2783687.en |access-date=15 November 2021}}

| parent_authority = C. L. Hubbs & C. L. Turner, 1939

| display_parents = 2

| taxon = Xenoophorus captivus

| authority = (C. L. Hubbs, 1924)

| synonyms = Goodea captiva Hubbs 1924

}}

The relict splitfin (Xenoophorus captivus) is a species of splitfin endemic to the Pánuco River system in Mexico. It feeds on algae. This species grows to up to {{convert|6|cm|in}} in length.{{FishBase |genus= Xenoophorus |species= captivus| month = August | year = 2012}} It is found in the aquarium trade. It is the only known member of its genus.{{Cof record|genid=8813|title=Xenophorus|access-date=22 September 2019}}