Pygmy gourami vs Siamese fighting fish: can they live together?

Verdict: With caution

  • The Siamese fighting fish can be semi-aggressive or nip fins.
  • The Pygmy gourami is best kept in a species tank.
  • Both are comfortable at 25–28°C (77–82°F).
  • A pH of 6.0–7.0 suits both.
  • Minimum tank for the pair: 40 L (11 US gal)

Side by side

Pygmy gouramiSiamese fighting fish
Adult size4 cm (1.6 in)6.5 cm (2.6 in)
Minimum tank40 L (11 US gal)20 L (5 US gal)
Temperature25–28°C (77–82°F)24–30°C (75–86°F)
pH6.0–7.06.0–8.0
Hardness5–19 dGH (89–339 ppm)5–19 dGH (89–339 ppm)
TemperamentPeacefulSemi-aggressive
Community tankNot suitableGood
Care levelEasyEasy
DietOmnivoreOmnivore