Compatibility Overview
Ember Tetra and Glowlight Danio 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 40 gallons), dense planting, and close monitoring are essential.
| Factor | Ember Tetra | Glowlight Danio | Verdict |
|---|---|---|---|
| Temperature | 73–84°F | 72–82°F | ✅ 73–82°F |
| pH Range | 5.5–7.0 | 6.0–7.5 | ✅ 6.0–7.0 |
| Temperament | peaceful | aggressive | ❌ Risk |
| Adult Size | 0.8 in | 1.6 in | ⚠️ 2.0× difference |
| Min. Group | 8+ | 6+ | See below |
| Min. Tank Size | 40 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Ember Tetra — Hyphessobrycon amandae
Tiny orange-red schooling tetra that is among the most adaptable nano fish. Peaceful with everything too small to eat them.
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.
Frequently Asked Questions
Can Ember Tetra live with Glowlight Danio?
With significant caution and a larger tank. Ember Tetra and Glowlight Danio 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 40 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Ember Tetra and Glowlight Danio together?
A minimum of 40 gallons is recommended for keeping Ember Tetra and Glowlight Danio together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Ember Tetra and Glowlight Danio?
73–82°F
Is a Ember Tetra aggressive toward a Glowlight Danio?
Ember Tetra is peaceful and Glowlight Danio is aggressive. 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 | 90/100 |
| Ph | 67/100 |
| Temperament | 30/100 |
| Adult Size | 72/100 |
| Swim Zone | 68/100 |
| Social Needs | 85/100 |
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 | 40 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 55 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 90 gal | Best when keeping larger schools or reducing territorial pressure. |