Compatibility Overview
Electric Yellow Cichlid and Red Eye Tetra can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 20 gallons), dense planting, and close monitoring are essential.
| Factor | Electric Yellow Cichlid | Red Eye Tetra | Verdict |
|---|---|---|---|
| Temperature | 75–82°F | 72–79°F | ✅ 75–79°F |
| pH Range | 7.5–8.5 | 6.0–7.0 | ❌ No overlap |
| Temperament | aggressive | aggressive | ❌ Risk |
| Adult Size | 2.4 in | 1.6 in | ✅ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 20 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
Red Eye Tetra — Aquarium species
The Red Eye Tetra is a popular freshwater fish known for its vibrant red eyes and sleek, silver body. They are generally peaceful and can be kept in a community tank with other non-aggressive species. Their moderate activity level makes them suitable for a variety of aquarium setups. With proper care, they can live up to 5 years.
Frequently Asked Questions
Can Electric Yellow Cichlid live with Red Eye Tetra?
With significant caution and a larger tank. Electric Yellow Cichlid and Red Eye Tetra can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 20 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Electric Yellow Cichlid and Red Eye Tetra together?
A minimum of 20 gallons is recommended for keeping Electric Yellow Cichlid and Red Eye Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Electric Yellow Cichlid and Red Eye Tetra?
75–79°F
Is a Electric Yellow Cichlid aggressive toward a Red Eye Tetra?
Electric Yellow Cichlid is aggressive and Red Eye Tetra is aggressive. Their preferred pH ranges are difficult to reconcile.
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 | 57/100 |
| Ph | 0/100 |
| Temperament | 12/100 |
| 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 | 26 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 40 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |