The bleeding heart tetra (Hyphessobrycon erythrostigma) is a freshwater tropical fish native to the Upper Amazon River basin.

The female is more full bodied and the male has a larger dorsal fin, whereas the male is distinguished by longer extended dorsal and anal fins.

The dorsal fin is elongated into a sickle shape that arches to the length of the tail base.

According to the Encyclopedia of Aquarium and Pond Fish, it prefers water of 23–28 °C (73–82 °F) that is soft (50–100 mg/L) and acidic (pH 5.6-6.9), and a diet of prepared foods and small live foods.

[2] It is recommended that peat be added to the filter to help keep the water conditions suitable for it.