Can Molly Live With Discus?
Molly and Discus are compatible. Temperature overlap 82–82°F. Both peaceful.
Conditions: Minimum 55 gallon tank.
Parameter Comparison
Tank Requirements for Molly + Discus
To keep Molly and Discus together, you need at minimum a 55 gallon tank. Molly should be kept in a school of 4+. Discus should be kept in a school of 5+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Molly
Poecilia sphenops
Mollies are versatile livebearers that come in many varieties including black, dalmatian, balloon, and sailfin. They prefer hard, alkaline water and can even tolerate brackish conditions. They are active, personable fish that breed easily.
Full care guide →Discus
Symphysodon spp.
Discus are widely considered the king of freshwater aquarium fish. Their disk-shaped body, vivid colors, and graceful swimming make them the ultimate showpiece. However, they are among the most demanding freshwater fish to keep, requiring warm, soft, exceptionally clean water, frequent feedings, and a stress-free environment. Discus are not recommended for beginners.
Full care guide →