Can Discus Live With Platy?
No, discus and platies cannot share a tank. Discus require 82-88F, while platies thrive in 70-80F. The temperature gap is too wide for either species to thrive.
Why
- Discus demand 82-88F. Platies do well at 70-80F and show stress above 82F.
- Platies kept at discus temperatures lose color, develop fin problems, and have shortened lifespans.
- Discus kept at platy temperatures (70-80F) are prone to illness and do not develop their full color or size.
- pH overlap exists at 7.0-7.0, but pH compatibility does not compensate for a missing temperature overlap.
- A 55-gallon minimum for discus is irrelevant when the two species cannot be kept at the same temperature.
What could go wrong
Either the platies suffer from heat stress and decline, or the discus fall ill in cooler water. One species will fail no matter where the temperature lands.
If you keep them in separate tanks
Sized for the 55 gallon minimum this pairing needs. Affiliate links — we earn a small commission if you buy through them.
Fluval 307 Performance Canister Filter
Oversized filtration is what lets you stock two species together without water quality crashing. Rated for a tank slightly larger than the 55 gallon minimum.
API Freshwater Master Test Kit
Keep ammonia, nitrite, and nitrate in check. Two-species tanks have more bioload and less margin for error than single-species setups.
Better pairings to consider
Discus do well with corydoras, rummy-nose tetras, and sterbai corydoras that tolerate 82-86F. Platies do well with other livebearers, small tetras, and corydoras in a standard community tank at 74-78F.
Related compatibility questions
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