Symphysodon Aequifasciatus "Blue Snakeskin"Origin: These species originate from Amazon River Basin in South America. They can be found in very soft and acidic water blackwater rivers with fallen trees and branches, so they do appreciate having large pieces of driftwood in their environment. Tank Size: 100 Gallon+ Swim Region: Middle Top Temperament: Peaceful, but can be a bit territorial Size: 10 inch (Males Females) Temperature: 75 90 F Water PH: 4. 5 7. 0 Water Hardness: 10 20 dGH 178 356 ppm