Can Guppy Live With Jack Dempsey Cichlid?
Jack Dempsey Cichlid is aggressive and will likely attack or stress tank mates.
Parameter Comparison
| Parameter | Guppy | Jack Dempsey Cichlid | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 72–86°F | 72–82°F ✓ |
| pH Range | 6.8–7.8 | 6.5–8 | 6.8–7.8 ✓ |
| Temperament | peaceful | aggressive | Aggression risk ✗ |
| Max Size | 2.5" | 10" | Size mismatch ✗ |
| Min Tank Size | 10 gal | 55 gal | 55 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Guppy
Poecilia reticulata
Guppies are colorful, hardy livebearers that are perfect for beginners. Males sport spectacular tail patterns in every color imaginable, while females are larger and less colorful. They breed prolifically — a single female can produce 20–50 fry every month — so plan accordingly or keep only males.
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 →