Lake Kutubu rainbowfish vs Pearl danio: can they live together?

Verdict: With caution

The Lake Kutubu rainbowfish grows about twice as long as the Pearl danio; watch for bullying or predation.
Both are comfortable at 20–24°C (68–75°F).
A pH of 7.0–8.0 suits both.
Minimum tank for the pair: 210 L (55 US gal)

Side by side

	Lake Kutubu rainbowfish	Pearl danio
Adult size	10 cm (3.9 in)	5 cm (2 in)
Minimum tank	210 L (55 US gal)	75 L (20 US gal)
Temperature	20–24°C (68–75°F)	20–25°C (68–77°F)
pH	7.0–8.0	6.0–8.0
Hardness	9–12 dGH (161–214 ppm)	5–19 dGH (89–339 ppm)
Temperament	Peaceful	Peaceful
Community tank	Good	Excellent
Care level	Easy	Easy
Diet	Omnivore	Omnivore