Chilobrycon deuterodon is a species of characin endemic to the Tumbes River on the Pacific slope of northern Peru.

[3][4] It is the only member of the genus Chilobrycon.

It can be found in fresh water at pelagic depths.

This species is native to a tropical climate.

[3] C. deuteron can reach about 10.8 cm (4.2 in) in length.