Compatibility directorySiamese Fighting Fish and Bristlenose Pleco 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.
Siamese Fighting Fish
Betta splendens- Temperature
- 75–86°F
- pH
- 6–8
- Minimum tank
- 5 US gal
- Temperament
- Aggressive
Bristlenose Pleco
Ancistrus cf. cirrhosus- Temperature
- 76–82°F
- pH
- 7.5–8.6
- Minimum tank
- 30 US gal
- Temperament
- peaceful
Compatibility signals- Temperament conflict: aggressive + peaceful
- Territorial species sharing same swim level
Catalog provenanceBuilt from immutable TankForge catalog IDs. Source confidence: high / medium. See the catalog methodology before making a stocking decision.