Opistognathus thionyi, NPM 5029, 38.4 mm SL, Enseada dos Portugueses, Trindade Island, Brazil. Photograph by Thiony Simon.

 
 
  Part of: Smith-Vaniz WF, Tornabene L, Macieira RM (2018) Review of Brazilian jawfishes of the genus Opistognathus with descriptions of two new species (Teleostei, Opistognathidae). ZooKeys 794: 95-133. https://doi.org/10.3897/zookeys.794.26789