Bleeding heart tetras are native to the neotropical region. The distribution is described as the Upper Amazon River basin. Bleeding heart tetras are found in the Rio Negro of Brazil as well as other regional rivers. Aquarists have known about this species since 1943 and they have since become a popular aquarium fish.
Biogeographic Regions: nearctic (Introduced ); neotropical (Native )
- Weitzman, S. 1977. Hyphessobrycon socolofi, A New Species of Characoid Fish From the Rio Negro of Brazil. Biological Society of Washington Proceedings: 326-347.
- Fowler, H. 1943. "Catalog of Fishes" (On-line). Hyphessobrycon erythrostigma Bleeding-heart Tetra. Accessed March 16, 2006 at http://filaman.ifm-geomar.de/Summary/SpeciesSummary.php?id=10651.