Jack Dempsey
Jack Dempsey is a aggressive freshwater fish that needs a tank of at least 55 gallons (208 L), water at 72-86°F (22-30°C) and a pH of 6-8.
Also searched as: jack dempsey, rocio octofasciata
Quick facts
Powerful cichlid. Highly territorial. Best in species or large aggressive-only setups.
| Minimum tank | 55 gallons (208 L) |
|---|---|
| Temperature | 72-86°F (22-30°C) |
| pH | 6-8 |
| Temperament | Aggressive |
| Swim level | Middle |
| Group size | Can be kept singly |
| Tank type | Freshwater |
Good tank mates
No other species in the database passes the temperament and water checks for Jack Dempsey. Check a specific pairing with the stocking guide at the end of this page.
Avoid with
Pairings that fail the temperament, water-overlap or known-conflict checks.
- Crystal Red Shrimpmin tank 10 gal
Aggressive species will harass or eat peaceful fish; no temperature overlap (72-86°F vs 64-71°F).
Aggressive species will harass or eat peaceful fish.
Neon Tetramin tank 10 galAmano Shrimpmin tank 5 galCherry Shrimpmin tank 5 galGuppymin tank 5 gal
Check your own tank
These lists compare one species against the rest of the database. Your stock list, tank size and bioload change the answer, so log your own tank.
Start a tank logStocking guide
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