Compatibility Overview
Glowlight Danio and Peacock Cichlid 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 55 gallons), dense planting, and close monitoring are essential.
| Factor | Glowlight Danio | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 72–82°F | 75–81°F | ✅ 75–81°F |
| pH Range | 6.0–7.5 | 7.5–8.5 | ⚠️ 7.5–7.5 (narrow) |
| Temperament | aggressive | aggressive | ❌ Risk |
| Adult Size | 1.6 in | 3.1 in | ✅ Similar |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 55 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Glowlight Danio — Aquarium species
The Glowlight Danio is a popular freshwater fish known for its vibrant colors and active nature. They are ideal for beginners due to their hardiness and ease of care. These fish thrive in a well-maintained tank with plenty of swimming space and a school of their own kind.
→ Full Glowlight Danio care guide
Peacock Cichlid — Aquarium species
The Peacock Cichlid, Aulonocara nyassae, is a stunning fish with vibrant blue and yellow colors. These fish are known for their aggression and require a mature and well-maintained tank. They are best kept in pairs or in a species-specific tank. Careful attention must be given to water parameters and tank setup to ensure their health and well-being.
Frequently Asked Questions
Can Glowlight Danio live with Peacock Cichlid?
With significant caution and a larger tank. Glowlight Danio and Peacock Cichlid 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 55 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Glowlight Danio and Peacock Cichlid together?
A minimum of 55 gallons is recommended for keeping Glowlight Danio and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Glowlight Danio and Peacock Cichlid?
75–81°F
Is a Glowlight Danio aggressive toward a Peacock Cichlid?
Glowlight Danio is aggressive and Peacock Cichlid 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 | 100/100 |
| 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 | 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. |