When searching for food, it often swims with it head bowed down. During breeding, the female deposits it eggs in areas where aquatic vegetation is dense.

It must be kept in a good sized aquarium with efficient filtration, as it is used to chewing it food and scattering it. It is sometimes aggressive toward other species. It breeds easily in captivity. There are several varieties.

It owes its name to the red spot located where it heart is. The dorsal fin of the male is longer than that of the female. After courtship, the male attracts the female in the vegetation where it will lay a hundred eggs. It is difficult to breed in captivity.

The stripes of it body allow it to hide. Parents lay their eggs in the vegetation, and provide for their offspring long parental care (custody, ventilation ...). Very popular among aquarists: there are many color varieties obtained through breeding.

It is a nocturnal hunter. It lives in the bottom of the rivers, where it remains upright to hide among the reeds. It fits well in a large aquarium. But we must avoid leaving it with small fish that it could eat.

The discus, an oviparous fish from the Amazon regions, reproduces at the beginning of the flood season, giving its young a better chance of survival. It naturally resides in slightly acidic waters, favoring flooded forest areas to protect and feed itself.