Can Johanni Cichlid live with Fancy Goldfish?
Troubleshooting community setups: see the compatibility result using temperature, pH, GH/KH, adult size, behavior, schooling needs, and predator/prey rules.
Quick Summary: No, this pairing should usually be avoided. We evaluated Johanni Cichlid and Fancy Goldfish for 4 specific conflict codes. Plan for at least 55 gallons.
No, avoid this pairing
Data confidence: high
- aggression_riskAggression or territorial behavior needs extra space, cover, and careful observation.
- coldwater_tropical_conflictGoldfish-style coolwater, feeding, and waste needs conflict with typical tropical community planning.
- biotope_mismatchMalawi mbuna need hard alkaline Lake Malawi-style housing and should not be mixed with New World cichlids, goldfish, puffers, or general community fish.
- ph_range_conflictAggression or territorial behavior needs extra space, cover, and careful observation.
Verified sources: Mbuna overview | Labidochromis caeruleus overview
johanni cichlid | fancy goldfish | johanni cichlid | fancy goldfish
Water parameter comparison
Johanni Cichlid temperature72-82F
Fancy Goldfish temperature65-74F
Johanni Cichlid pH7.5-8.8
Fancy Goldfish pH7-8.4
Johanni Cichlid GH10-20 dGH
Fancy Goldfish GH8-25 dGH
Minimum tank55 gal
Last updated2026-06-11
Confidence: high. Aggression, predator/prey, shrimp risk, schooling, and tank size rules are evaluated from curated freshwater attributes.