Hillstream Loach and Peacock Cichlid Compatibility Overview
Hillstream Loach and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Their ranges meet only at 73โ75ยฐF, which leaves no margin for a heater drifting or a warm room. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
| Factor | Hillstream Loach | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 68โ75ยฐF | 73โ84ยฐF | โ ๏ธ 73โ75ยฐF (narrow) |
| pH Range | 6.0โ7.5 | 7.5โ9.0 | โ ๏ธ 7.5โ7.5 (narrow) |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 2.6 in | 5.1 in | โ Similar |
| Min. Group | 4+ | 4+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Hillstream Loach โ Sewellia lineolata
Sewellia lineolata, known as the Hillstream Loach, is a fascinating species for aquarists. These fish require a well-oxygenated, clear water environment with plenty of hiding spots. With a lifespan of 7 years, they are a long-term commitment. Their olive green color and slender body shape add a unique aesthetic to the tank.
โ Full Hillstream Loach care guide
Peacock Cichlid โ Aulonocara stuartgranti
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 Hillstream Loach live with Peacock Cichlid?
With significant caution and a larger tank. Hillstream Loach and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Their ranges meet only at 73โ75ยฐF, which leaves no margin for a heater drifting or a warm room. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Hillstream Loach and Peacock Cichlid together?
A minimum of 55 gallons is recommended for keeping Hillstream Loach and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Hillstream Loach and Peacock Cichlid?
73โ75ยฐF (narrow) โ inside Hillstream Loach's 68โ75ยฐF and Peacock Cichlid's 73โ84ยฐF.
Is a Hillstream Loach aggressive toward a Peacock Cichlid?
Hillstream Loach is peaceful and Peacock Cichlid is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Hillstream Loach and Peacock Cichlid
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 64 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 90 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. |