Hemigrammus erythrozonus
 Hemigrammus erythrozonus commonly known as the glowlight tetra is a small tropical fish from the Essequibo River Guyana South America. It is silver in colour and a bright iridescent orange to red stripe extends from the snout to the base of its tail the front of the dorsal fin being the same color as the stripe. Other fins are silver to transparent. The glowlight tetra is a peaceful shoaling fish.