Can Jack Dempsey Cichlid Live With Silver Arowana?
❌Not Compatible
Jack Dempsey Cichlid is aggressive and will likely attack or stress tank mates.
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Parameter Comparison
| Parameter | Jack Dempsey Cichlid | Silver Arowana | Overlap |
|---|---|---|---|
| Temperature | 72–86°F | 75–82°F | 75–82°F ✓ |
| pH Range | 6.5–8 | 6–7.5 | 6.5–7.5 ✓ |
| Temperament | aggressive | aggressive | Aggression risk ✗ |
| Max Size | 10" | 36" | Size mismatch ✗ |
| Min Tank Size | 55 gal | 125 gal | 125 gal minimum together |
| Diet | Carnivore | Carnivore | — |
| Care Level | intermediate | advanced | — |
Species Profiles
Jack Dempsey Cichlid
Rocio octofasciata
intermediateaggressive55+ gal
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 →Silver Arowana
Osteoglossum bicirrhosum
advancedaggressive125+ gal
The Silver Arowana (Osteoglossum bicirrhosum) is a advanced-level freshwater fish growing to 36 inches. Aggressive temperament, minimum 125 gallon tank.
Full care guide →Other Compatible Tank Mates
For Jack Dempsey Cichlid:
For Silver Arowana:
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