Can Jack Dempsey Cichlid Live With Firefish Goby?
Incompatible pH. Jack Dempsey Cichlid needs 6.5–8.0, Firefish Goby needs 8.1–8.4.
Parameter Comparison
| Parameter | Jack Dempsey Cichlid | Firefish Goby | Overlap |
|---|---|---|---|
| Temperature | 72–86°F | 75–80°F | 75–80°F ✓ |
| pH Range | 6.5–8 | 8.1–8.4 | No overlap ✗ |
| Temperament | aggressive | peaceful | Aggression risk ✗ |
| Max Size | 10" | 3" | Size mismatch ✗ |
| Min Tank Size | 55 gal | 20 gal | 55 gal minimum together |
| Diet | Carnivore | Carnivore | — |
| Care Level | intermediate | beginner | — |
Species Profiles
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 →Firefish Goby
Nemateleotris magnifica
Firefish gobies are graceful, flame-colored marine fish that hover above the rock work like tiny, living flames. Their elongated dorsal spine and gradient from white to red-orange makes them visually striking. They are peaceful, hardy, and reef-safe, making them ideal for beginner marine aquariums. They require a tight-fitting lid as they are notorious jumpers.
Full care guide →