These will be between 1.75 and 2.25 inches with most of them being 2 inches. As juveniles Electric Red Spider Discus Fish are mostly a very bright orange, red. They will reach their mature coloration with a mostly white base and a fine spider web pattern at about 6 inches. They are very similar to the coloration of Fire Dragons but their pattern is much more intricate. Sexing mature Discus is difficult and sexing juvenile Discus extremely difficult. We are always willing to try and sex our fish for a customer, but we do not guarantee it. All Discus are unique and the coloration/pattern of each can vary. The Discus you are purchasing is a juvenile. Discus will not show their full pattern and final coloration as in the picture until fully mature at around 5-6 inches.
Gallons needed per inch of Discus: 1.5 for 2", 2.5 for 3", 4 for 4", 6 for 5", 8 for 6"