Hypsolebias splendissimus Costa sp. n., live holotype, UFRJ 6909, male, 42.7 mm SL. Photograph by W.J.E.M. Costa.

 
 
  Part of: Costa WJEN, Amorim PF, Mattos JLO (2018) Diversity and conservation of seasonal killifishes of the Hypsolebias fulminantis complex from a Caatinga semiarid upland plateau, São Francisco River basin, northeastern Brazil (Cyprinodontiformes, Aplocheilidae). Zoosystematics and Evolution 94(2): 495-504. https://doi.org/10.3897/zse.94.29718