Lake Kutubu rainbowfish vs Mosquitofish: can they live together?

Verdict: With caution

  • The Mosquitofish can be semi-aggressive or nip fins.
  • The Lake Kutubu rainbowfish grows about twice as long as the Mosquitofish; 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 rainbowfishMosquitofish
Adult size10 cm (3.9 in)4 cm (1.6 in)
Minimum tank210 L (55 US gal)40 L (11 US gal)
Temperature20–24°C (68–75°F)12–29°C (54–84°F)
pH7.0–8.06.0–8.0
Hardness9–12 dGH (161–214 ppm)5–19 dGH (89–339 ppm)
TemperamentPeacefulSemi-aggressive
Community tankGoodGood
Care levelEasyEasy
DietOmnivoreOmnivore

Species profiles