Giuris margaritaceus

{{Short description|Species of fish}}

{{Speciesbox

| image = Bugwan, Hypseleotris agilis Herre 1927 by P. Bravo.jpg

| image2 = Guiris margaritacea.jpg

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Larson, H. |year=2019 |title=Giuris margaritacea |volume=2019 |page=e.T196317A123380986 |doi=10.2305/IUCN.UK.2019-2.RLTS.T196317A123380986.en |access-date=18 January 2025}}

| genus = Giuris

| species = margaritaceus

| authority = (Valenciennes, 1837)

| synonyms =

• Eleotris margaritacea Valenciennes, 1837
• Eleotris aporos Bleeker, 1854
• Ophieleotris aporos (Bleeker, 1854)
• Ophiocara aporos (Bleeker, 1854)
• Eleotris hoedtii Bleeker, 1854
• Eleotris vanicolensis Sauvage, 1880
• Eleotris planiceps Macleay, 1883
• Eleotris aporocephalus Macleay, 1884
• Hypseleotris agilis Herre, 1927
• Ophieleotris agilis (Herre, 1927)
• Giuris margaritacea Valenciennes, 1837

}}

Giuris margaritaceus, the snakehead gudgeon, Aporos sleeper, or ornate sleeper, is a species of fish in the family Eleotridae found in marine, brackish, and fresh waters from Madagascar to Melanesia. This species grows to a total length of {{cvt|29|cm|in}} with a maximum recorded weight of {{cvt|171|g|oz}}. This species is important to the local peoples as a food fish.{{FishBase species |genus= Giuris|species= margaritaceus | month = August | year = 2019}}