Sargocentron ensifer

{{Short description|Species of fish}}

{{Speciesbox

| image = Sargocentron ensifer.jpg

| image_caption = Sargocentron ensifer caught at the Pitcairn Islands

| image2 =

| image2_caption =

| status = LC

| status_system = IUCN3.1

| status_ref = {{Cite journal | author = Williams, I. | author2 = Greenfield, D. | name-list-style=amp | title = Sargocentron ensifer | journal = The IUCN Red List of Threatened Species | volume = 2016 | page = e.T67902046A115442840 | publisher = IUCN | date = 2016 | url = http://www.iucnredlist.org/details/67902046/0 | doi = 10.2305/IUCN.UK.2016-1.RLTS.T67902046A67906297.en | access-date = 23 December 2017| doi-access = free }}

| genus = Sargocentron

| species = ensifer

| authority = (D. S. Jordan & Evermann, 1903)

| synonyms =

Holocentrus ensifer Jordan & Evermann, 1903

Adioryx ensifer (Jordan & Evermann, 1903)

Sargocentron ensiferum (Jordan & Evermann, 1903)

Adioryx furcatus (non Günther, 1859)

Holocentrus furcatus (non Günther, 1859)

}}

Sargocentron ensifer, or the yellow-striped squirrelfish, is a member of the family Holocentridae. It is native to the Pacific Ocean from southern Japan to New Caledonia, Hawaii and the Pitcairn Islands. It lives in deep reefs at depths between {{convert|0|and|64|m|ft}}, hiding in crevices by day and foraging for food by night. It feeds on small fishes and crustaceans and can reach sizes of up to {{convert|23.0|cm|in}} SL, though a length of {{convert|15.0|cm|in}} TL is more common.{{FishBase |genus=Sargocentron |species=ensifer |year=2017 |month=January}}