Compatibility Overview
Dwarf Chain Loach and Yoyo Loach 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Dwarf Chain Loach | Yoyo Loach | Verdict |
|---|---|---|---|
| Temperature | 72–79°F | 72–79°F | ✅ 72–79°F |
| pH Range | 6.0–7.0 | 6.5–7.5 | ⚠️ 6.5–7.0 (narrow) |
| Temperament | semi | semi | ⚠️ Monitor |
| Adult Size | 1.2 in | 2.0 in | ✅ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 20 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Dwarf Chain Loach — Aquarium species
The Dwarf Chain Loach is a popular freshwater fish known for its striking appearance and peaceful nature. It is an excellent addition to any community tank, but requires careful attention to water parameters and tank setup to thrive. These fish are best suited for beginners due to their hardiness and ease of care.
→ Full Dwarf Chain Loach care guide
Yoyo Loach — Aquarium species
The Yoyo Loach is a popular freshwater species known for its striking black and white coloration. They are peaceful and make great community fish, though they may be shy and require a well-established tank with ample hiding spots. These loaches are moderately active and do well in a tank with plenty of room to swim. With proper care, they can live up to 5 ye
Frequently Asked Questions
Can Dwarf Chain Loach live with Yoyo Loach?
Yes, in a well-planned setup. Dwarf Chain Loach and Yoyo Loach 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Dwarf Chain Loach and Yoyo Loach together?
A minimum of 20 gallons is recommended for keeping Dwarf Chain Loach and Yoyo Loach together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Dwarf Chain Loach and Yoyo Loach?
72–79°F
Is a Dwarf Chain Loach aggressive toward a Yoyo Loach?
Dwarf Chain Loach is semi and Yoyo Loach is semi. 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 | 50/100 |
| Temperament | 62/100 |
| 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. |