Siamese Fighting Fish
Betta splendens- Temperature
- 75–86°F
- pH
- 6–8
- Minimum tank
- 5 US gal
- Temperament
- Aggressive
Siamese Fighting Fish and Discus compatibility
Likely incompatible
Compare these records as a starting point, then account for the actual tank, group size, individual behavior, hiding space, diet, and current health.
Discus
Symphysodon aequifasciatus- Temperature
- 82–86°F
- pH
- 6–7.5
- Minimum tank
- 55 US gal
- Temperament
- Peaceful
- Narrow temperature overlap
- Temperament conflict: aggressive + peaceful
- Territorial species sharing same swim level
Built from immutable TankForge catalog IDs. Source confidence: high / high. See the catalog methodology before making a stocking decision.