Acestrorhamphidae

gold tetra

Hemigrammus rodwayi

Fine golden dust on skin

• Yellow
• Tropical
• Southern Hemisphere
• Regional distribution
• Freshwater fish
• South America
• Small
• Tropical fish

The gold tetra, or Rodway's tetra (Hemigrammus rodwayi), is a species of small freshwater ray-finned fish in the family Acestrorhamphidae, the American characins. This fish is found in lowland South America, where they are abundant in coastal floodplains. Their name comes from a powdery golden tint on their body that is thought to be caused by internal parasites.