Red rainbowfish vs Lake Kutubu rainbowfish: can they live together?

Verdict: Compatible

Both are comfortable at 22–24°C (72–75°F).
A pH of 7.0–8.0 suits both.
Minimum tank for the pair: 210 L (55 US gal)

Side by side

	Red rainbowfish	Lake Kutubu rainbowfish
Adult size	12 cm (4.7 in)	10 cm (3.9 in)
Minimum tank	150 L (40 US gal)	210 L (55 US gal)
Temperature	22–25°C (72–77°F)	20–24°C (68–75°F)
pH	7.0–8.0	7.0–8.0
Hardness	9–19 dGH (161–339 ppm)	9–12 dGH (161–214 ppm)
Temperament	Peaceful	Peaceful
Community tank	Good	Good
Care level	Easy	Easy
Diet	Omnivore	Omnivore