Hyphessobrycon erythrostigma

The dorsal fin of the bleeding heart tetra is more elongated than the female's. Breeding is difficult and requires peat filtration, with fine-leafed plants for a "spawning substrate." Incubation must take place in darkness. Size: 4-5 cm

• Copadichromis boadzulu
• Pseudotropheus socolofi
• Tetraodon palembangensis or T. biocellatus
• Telmatochromis brichardi
• Poecilia velifera