Characidium dumonti lives among the rocks and pebbles at the bottom of the fast-flowing streams in the national park, ...

Its large eyes and scaleless body are notable not only to establish the fish as a ... has a “golden yellow” body with a ...

The red shading fades into dark fins, and their black eyes are rimmed in orange ... mottled combination of green, yellow and black, with dark bands across the fish's middle.