Denison
Denison / Roseline Shark
Can they live together?
Denison and Betta compatibility
Compare their preferred water conditions and basic behavior.
Betta
Betta / Siamese Fighting Fish
Not recommended
The shared temperature range (24–25°C) is narrow, so keep it stable.
Shared environment
Recommended temperature
24 ~ 25°C
Recommended pH
6.5 ~ 7.5
Suggested group sizes
Denison: at least 8
Betta: at least 1
Check that your aquarium is large enough for both species.
This is a guide. Individual behavior and aquarium conditions can change the outcome.