Can Betta Fish Live With Jack Dempsey Cichlid?
Jack Dempsey Cichlid is aggressive and will likely attack or stress tank mates.
Parameter Comparison
| Parameter | Betta Fish | Jack Dempsey Cichlid | Overlap |
|---|---|---|---|
| Temperature | 76–82°F | 72–86°F | 76–82°F ✓ |
| pH Range | 6.5–7.5 | 6.5–8 | 6.5–7.5 ✓ |
| Temperament | semi-aggressive | aggressive | Aggression risk ✗ |
| Max Size | 3" | 10" | Size mismatch ✗ |
| Min Tank Size | 5 gal | 55 gal | 55 gal minimum together |
| Diet | Carnivore | Carnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Betta Fish
Betta splendens
The Betta fish (Siamese fighting fish) is one of the most popular freshwater aquarium fish in the world, known for its stunning flowing fins and vibrant colors. Males are territorial and should be kept alone or with carefully chosen tank mates. Despite their reputation as low-maintenance fish, bettas thrive best in heated, filtered tanks of at least 5 gallons.
Full care guide →Jack Dempsey Cichlid
Rocio octofasciata
Named after the legendary boxer, Jack Dempsey cichlids are large, territorial Central American cichlids with iridescent blue-green spangles across their dark body. They are aggressive, intelligent, and interactive — many owners report them coming to the glass to greet them. The electric blue Jack Dempsey variant is significantly less aggressive and more colorful.
Full care guide →