Can Jack Dempsey Live With Yellow Tang?
❌Not Compatible
Incompatible pH. Jack Dempsey Cichlid needs 6.5–8.0, Yellow Tang needs 8.1–8.4.
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Parameter Comparison
| Parameter | Jack Dempsey | Yellow Tang | Overlap |
|---|---|---|---|
| Temperature | 72–86°F | 75–82°F | 75–82°F ✓ |
| pH Range | 6.5–7.5 | 8.1–8.4 | No overlap ✗ |
| Temperament | aggressive | semi-aggressive | Aggression risk ✗ |
| Max Size | 9.8" | 7.9" | Similar ✓ |
| Min Tank Size | 53 gal | 79 gal | 75 gal minimum together |
| Diet | Omnivore | Herbivore | — |
| Care Level | intermediate | intermediate | — |
Species Profiles
Jack Dempsey
Rocio octofasciata
intermediateaggressive53+ gal
The Jack Dempsey (Rocio octofasciata) is a intermediate freshwater species known for its dark brown-purple, blue-green spots coloration. Named after the boxer. Mid to Bottom.
Full care guide →Yellow Tang
Zebrasoma flavescens
intermediatesemi-aggressive79+ gal
The Yellow Tang (Zebrasoma flavescens) is a intermediate saltwater species known for its bright yellow coloration. Iconic yellow reef fish. Mid.
Full care guide →Other Compatible Tank Mates
For Jack Dempsey:
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