Clown rasbora vs Crescent betta: can they live together?

Verdict: Compatible

  • Both are comfortable at 24–29°C (75–84°F).
  • A pH of 6.0–7.0 suits both.
  • Minimum tank for the pair: 110 L (29 US gal)

Side by side

Clown rasboraCrescent betta
Adult size9 cm (3.5 in)6 cm (2.4 in)
Minimum tank110 L (29 US gal)40 L (11 US gal)
Temperature24–29°C (75–84°F)24–30°C (75–86°F)
pH5.5–7.06.0–7.0
Hardness2–10 dGH (36–178 ppm)5–19 dGH (89–339 ppm)
TemperamentPeacefulPeaceful
Community tankGoodGood
Care levelEasyEasy
DietOmnivoreOmnivore