Can Discus Live With Jack Dempsey Cichlid?
Jack Dempsey Cichlid is aggressive and will likely attack or stress tank mates.
Parameter Comparison
| Parameter | Discus | Jack Dempsey Cichlid | Overlap |
|---|---|---|---|
| Temperature | 82–88°F | 72–86°F | 82–86°F ✓ |
| pH Range | 5.5–7 | 6.5–8 | 6.5–7 ✓ |
| Temperament | peaceful | aggressive | Aggression risk ✗ |
| Max Size | 8" | 10" | Similar ✓ |
| Min Tank Size | 55 gal | 55 gal | 55 gal minimum together |
| Diet | Carnivore/Omnivore | Carnivore | — |
| Care Level | advanced | intermediate | — |
Species Profiles
Discus
Symphysodon spp.
Discus are widely considered the king of freshwater aquarium fish. Their disk-shaped body, vivid colors, and graceful swimming make them the ultimate showpiece. However, they are among the most demanding freshwater fish to keep, requiring warm, soft, exceptionally clean water, frequent feedings, and a stress-free environment. Discus are not recommended for beginners.
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 →