Scales of Tlaloc portillorum (male: A) and Tlaloc candalarius (female: B). The arrow points the spicules on the scales.

 
 
  Part of: Velázquez-Velázquez E, Domínguez-Cisneros SE, Anzueto-Calvo MJ, Maza-Cruz MF (2022) Occurrence of contact organs and sexual dimorphism in fishes of the family Profundulidae (Actinopterygii: Cyprinodontiformes). Acta Ichthyologica et Piscatoria 52(4): 261-265. https://doi.org/10.3897/aiep.52.93669