Emperor cichlid vs Haplochromis borleyi redfin: can they live together?

Verdict: With caution

The Haplochromis borleyi redfin can be semi-aggressive or nip fins.
The Haplochromis borleyi redfin grows about twice as long as the Emperor cichlid; watch for bullying or predation.
Both are comfortable at 25–26°C (77–79°F).
A pH of 8.0–8.5 suits both.
Minimum tank for the pair: 210 L (55 US gal)

	Emperor cichlid	Haplochromis borleyi redfin
Adult size	8 cm (3.1 in)	18 cm (7.1 in)
Minimum tank	75 L (20 US gal)	210 L (55 US gal)
Temperature	25–26°C (77–79°F)	25–28°C (77–82°F)
pH	7.8–8.5	8.0–8.5
Hardness	10–25 dGH (178–446 ppm)	–
Temperament	Peaceful	Semi-aggressive
Care level	Easy	Easy
Diet	Omnivore	Carnivore