Discus are a South American tropical fish found in seasonally flooded areas around rivers and tributaries feeding into the Amazon River as the rainy season subsides, the floodwaters slowly recede, leaving small lakes behind where adundant forms of aquatic life flourish throughout the year. The incoming and retreating floodwaters tend to move slowly because of the flatness of the terrain. The result is mobility for various species, new feeding opportunities, and new habitats among submerged roots and tree trunks. Discus are found mainly in upper tributaries of the Rio Negro and Rio Madiera as well as surrounding lakes created by flood water and have a ph value somwhere in between 4.0 and 7.0. The temperature of the water is rather constant during the day and night, in the 80+ degrees farenheit range and it has a low nutrient level. Dicus live in groups among submerged tree trunks or roots that are exposed to indirect sunlight.