Ancistrus leucostictus

{{Short description|Species of fish}}

{{Speciesbox

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| taxon = Ancistrus leucostictus

| authority = (Günther, 1864)

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Ancistrus leucostictus is a species of armored catfish native to Guyana where it is found in the Essequibo River basin. There have been reports that it may also be found in French Guiana and Suriname. This species grows to a length of {{convert|10.0|cm|in}} SL.