Uaru vs Flag acara: can they live together?

Verdict: Not recommended

The Uaru is aggressive towards other fish.
An adult Uaru is about 4 times the length of a Flag acara and may eat it.
Their temperature ranges only just meet, at 26°C (79°F).
A pH of 5.2–7.0 suits both.

Side by side

	Uaru	Flag acara
Adult size	30 cm (12 in)	8 cm (3.1 in)
Minimum tank	285 L (75 US gal)	75 L (20 US gal)
Temperature	26–30°C (79–86°F)	22–26°C (72–79°F)
pH	5.0–7.0	5.2–7.5
Hardness	5–12 dGH (89–214 ppm)	5–12 dGH (89–214 ppm)
Temperament	Aggressive	Peaceful
Care level	Easy	Moderate
Diet	Herbivore	Omnivore