Acestrorhamphidae

Flag tetra

Hyphessobrycon heterorhabdus

Three Point Six Centimeters Acestrorhamphid Fish of the Amazon Basin

• Tropical
• Lower river
• Southern Hemisphere
• Regional distribution
• Freshwater fish
• South America
• Small
• Tropical fish

Hyphessobrycon heterorhabdus, the flag tetra or Belgian flag tetra, is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is distinguished by its vibrant coloration and patterns, which have contributed to its popularity in the aquarium trade.