Diagrammatic representation of the colour pattern on the ventral surface of the head in females of Melanorivulus regularis, UFRJ 6879, 28.5 mm SL. Scale bar: 1 mm.

 
 
  Part of: Costa WJEM (2017) Three new species of the killifish genus Melanorivulus from the central Brazilian Cerrado savanna (Cyprinodontiformes, Aplocheilidae). ZooKeys 645: 51-70. https://doi.org/10.3897/zookeys.645.10920