Spotted betta vs Roundtail paradisefish: can they live together?

Verdict: With caution

  • The Roundtail paradisefish can be semi-aggressive or nip fins.
  • The Spotted betta is best kept in a species tank.
  • Both are comfortable at 22–24°C (72–75°F).
  • A pH of 6.5–7.5 suits both.
  • Minimum tank for the pair: 115 L (30 US gal)

Side by side

Spotted bettaRoundtail paradisefish
Adult size6 cm (2.4 in)7 cm (2.8 in)
Minimum tank20 L (5 US gal)115 L (30 US gal)
Temperature22–24°C (72–75°F)16–26°C (61–79°F)
pH6.5–7.56.0–8.0
Hardness7–22 dGH (125–393 ppm)5–19 dGH (89–339 ppm)
TemperamentPeacefulSemi-aggressive
Community tankNot suitable–
Care levelEasyEasy
DietOmnivoreCarnivore