Blue orchid aulonocara vs Greenface aulonocara: can they live together?

Verdict: Compatible

Both are comfortable at 22–26°C (72–79°F).
A pH of 7.8–8.3 suits both.
Minimum tank for the pair: 210 L (55 US gal)

Side by side

	Blue orchid aulonocara	Greenface aulonocara
Adult size	10 cm (3.9 in)	11 cm (4.3 in)
Minimum tank	115 L (30 US gal)	210 L (55 US gal)
Temperature	22–28°C (72–82°F)	22–26°C (72–79°F)
pH	7.5–8.3	7.8–8.6
Temperament	Peaceful	Peaceful
Care level	Easy	Easy
Diet	Omnivore	Carnivore