Compatibility Overview
Clown Loach and Zebra 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 100 gallons), dense planting, and close monitoring are essential.
| Factor | Clown Loach | Zebra Danio | Verdict |
|---|---|---|---|
| Temperature | 77–86°F | 64–82°F | ✅ 77–82°F |
| pH Range | 6.0–7.5 | 6.5–8.0 | ✅ 6.5–7.5 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 12 in | 2 in | ❌ 6× difference |
| Min. Group | 5+ | 5+ | See below |
| Min. Tank Size | 100 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Clown Loach — Chromobotia macracanthus
Striking striped loach that grows very large. Peaceful with fish but will eat shrimp, snails and tiny fish.
Zebra Danio — Danio rerio
Extremely hardy, fast-moving schooling fish tolerant of a wide temperature range. Active top-to-mid swimmers compatible with most community fish.
Frequently Asked Questions
Can Clown Loach live with Zebra Danio?
With significant caution and a larger tank. Clown Loach and Zebra 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 100 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Clown Loach and Zebra Danio together?
A minimum of 100 gallons is recommended for keeping Clown Loach and Zebra Danio together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Clown Loach and Zebra Danio?
77–82°F
Is a Clown Loach aggressive toward a Zebra Danio?
Clown Loach is peaceful and Zebra Danio is peaceful. Narrow temperature overlap (77–82°F) — keeping the tank at exactly 78–81°F is needed for both species.