Compatibility Overview
Electric Yellow Cichlid and Molly can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Electric Yellow Cichlid | Molly | Verdict |
|---|---|---|---|
| Temperature | 75–82°F | 72–82°F | ✅ 75–82°F |
| pH Range | 7.5–8.5 | 7.5–8.5 | ✅ 7.5–8.5 |
| Temperament | aggressive | peaceful | ❌ Risk |
| Adult Size | 2.4 in | 4 in | ✅ Similar |
| Min. Group | 1+ | 3+ | See below |
| Min. Tank Size | 55 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Electric Yellow Cichlid — Aquarium species
The Electric Yellow Cichlid is a popular freshwater species known for its striking yellow coloration and moderate aggression. It requires a spacious tank with hiding spots and is best kept with peaceful tankmates. This species is suitable for beginner aquarists.
→ Full Electric Yellow Cichlid care guide
Molly — Poecilia sphenops
Hardy livebearers that prefer alkaline, hard water — sometimes slightly brackish. Prolific breeders; peaceful community fish.
Frequently Asked Questions
Can Electric Yellow Cichlid live with Molly?
Yes, in a well-planned setup. Electric Yellow Cichlid and Molly can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Electric Yellow Cichlid and Molly together?
A minimum of 55 gallons is recommended for keeping Electric Yellow Cichlid and Molly together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Electric Yellow Cichlid and Molly?
75–82°F
Is a Electric Yellow Cichlid aggressive toward a Molly?
Electric Yellow Cichlid is aggressive and Molly is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Compatibility score breakdown
The overall score is weighted across water chemistry, behavior, adult size, swimming zone, and social needs. A score is a planning aid—not a guarantee for individual fish.
| Factor | Score |
|---|---|
| Temperature | 100/100 |
| Ph | 100/100 |
| Temperament | 30/100 |
| Adult Size | 100/100 |
| Swim Zone | 68/100 |
| Social Needs | 92/100 |
Tank size scenarios
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 55 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 75 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 125 gal | Best when keeping larger schools or reducing territorial pressure. |