Hypancistrus margaritatus sp. n., holotype, 45.6 mm SL, dorsal, lateral, and ventral views, AUM 35610, Takutu River. Photographs by M Tan.

 
 
  Part of: Tan M, Armbruster JW (2016) Two new species of spotted Hypancistrus from the Rio Negro drainage (Loricariidae, Hypostominae). ZooKeys 552: 123-135. https://doi.org/10.3897/zookeys.552.5956