Lake Kutubu rainbowfish vs Black sharkminnow: can they live together?

Verdict: Not recommended

An adult Black sharkminnow is about 9 times the length of a Lake Kutubu rainbowfish and may eat it.
Their temperature ranges only just meet, at 24°C (75°F).
A pH of 7.0–7.5 suits both.

Side by side

	Lake Kutubu rainbowfish	Black sharkminnow
Adult size	10 cm (3.9 in)	90 cm (35 in)
Minimum tank	210 L (55 US gal)	475 L (125 US gal)
Temperature	20–24°C (68–75°F)	24–27°C (75–81°F)
pH	7.0–8.0	6.5–7.5
Hardness	9–12 dGH (161–214 ppm)	2–15 dGH (36–268 ppm)
Temperament	Peaceful	Peaceful
Community tank	Good	Good
Care level	Easy	Easy
Diet	Omnivore	Omnivore