Can a Molly Live With a Discus?
Not recommended — a molly and discus are a risky mix.
Not recommended
Molly
DiscusTemperature clash — the molly (72–80°F) and discus (82–88°F) don't share a safe range.
pH preferences overlap (7–7) — easy to keep both comfortable.
Both are shoaling species — keep each in its own group of 6+ for calm, confident fish.
Plan on at least 55 gallons for the pair (the larger of their two minimums).
Plan the full tank with the stocking calculator →
Gear for a community tank
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FAQ
Can a molly and discus live together?
Not recommended — a molly and discus are a risky mix. Minimum tank for the pair is about 55 gallons.