Red discus vs Uaru: can they live together?

Verdict: Not recommended

The Uaru is aggressive towards other fish.
Both are comfortable at 27–30°C (81–86°F).
A pH of 5.0–6.5 suits both.

Side by side

	Red discus	Uaru
Adult size	18 cm (7.1 in)	30 cm (12 in)
Minimum tank	210 L (55 US gal)	285 L (75 US gal)
Temperature	27–33°C (81–91°F)	26–30°C (79–86°F)
pH	4.2–6.5	5.0–7.0
Hardness	–	5–12 dGH (89–214 ppm)
Temperament	Peaceful	Aggressive
Care level	Moderate	Easy
Diet	Carnivore	Herbivore