16th Annual Smithsonian Magazine Photo Contest Natural World
Scleromystax barbatus a neotropical freshwater fish

Male specimen of Scleromystax barbatus from the Tinguá Biological Reserve, Rio de Janeiro, Brazil. It is possible to observe the sexual dimorphism of the species, with the dorsal and pectoral fins quite elongated and odontodes plates on the side of the snout.

Photo Detail
Date Taken: 07.2017
Date Uploaded: 11.2018
Photo Location: Rio de Janeiro, Brazil
Camera: NIKON D7100
Copyright: © Ricardo Dias