Spotted betta vs Siamese fighting fish: can they live together?

Verdict: With caution

  • The Siamese fighting fish can be semi-aggressive or nip fins.
  • The Spotted betta is best kept in a species tank.
  • Their temperature ranges only just meet, at 24°C (75°F).
  • A pH of 6.5–7.5 suits both.
  • Minimum tank for the pair: 20 L (5 US gal)

Side by side

Spotted bettaSiamese fighting fish
Adult size6 cm (2.4 in)6.5 cm (2.6 in)
Minimum tank20 L (5 US gal)20 L (5 US gal)
Temperature22–24°C (72–75°F)24–30°C (75–86°F)
pH6.5–7.56.0–8.0
Hardness7–22 dGH (125–393 ppm)5–19 dGH (89–339 ppm)
TemperamentPeacefulSemi-aggressive
Community tankNot suitableGood
Care levelEasyEasy
DietOmnivoreOmnivore

Species profiles