Gangetic leaffish vs Crescent betta: can they live together?

Verdict: Not recommended

The Gangetic leaffish is aggressive towards other fish.
An adult Gangetic leaffish is about 3 times the length of a Crescent betta and may eat it.
Both are comfortable at 24–27°C (75–81°F).
A pH of 6.9–7.0 suits both.

Side by side

	Gangetic leaffish	Crescent betta
Adult size	20 cm (7.9 in)	6 cm (2.4 in)
Minimum tank	150 L (40 US gal)	40 L (11 US gal)
Temperature	23–27°C (73–81°F)	24–30°C (75–86°F)
pH	6.9–8.0	6.0–7.0
Hardness	10–20 dGH (178–357 ppm)	5–19 dGH (89–339 ppm)
Temperament	Aggressive	Peaceful
Community tank	Good	Good
Care level	Moderate	Easy
Diet	Carnivore	Omnivore