Compatibility Overview
Hillstream Loach and Panda Cory 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 20 gallons), dense planting, and close monitoring are essential.
| Factor | Hillstream Loach | Panda Cory | Verdict |
|---|---|---|---|
| Temperature | 64–73°F | 72–79°F | ⚠️ 72–73°F (narrow) |
| pH Range | 6.5–7.5 | 6.5–7.5 | ✅ 6.5–7.5 |
| Temperament | semi | semi | ⚠️ Monitor |
| Adult Size | 2.0 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
Hillstream Loach — Aquarium species
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. Despite their moderate activity le
→ Full Hillstream Loach care guide
Panda Cory — Aquarium species
The Corydoras panda, known for its distinctive white face and black body, is a popular freshwater fish. They are peaceful and make excellent additions to community tanks. They are moderately active and can thrive in a well-maintained environment. As bottom-dwellers, they require a tank with plenty of hiding spots. Their diet should be balanced with a variety
Frequently Asked Questions
Can Hillstream Loach live with Panda Cory?
With significant caution and a larger tank. Hillstream Loach and Panda Cory 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 20 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Hillstream Loach and Panda Cory together?
A minimum of 20 gallons is recommended for keeping Hillstream Loach and Panda Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Hillstream Loach and Panda Cory?
72–73°F (narrow)
Is a Hillstream Loach aggressive toward a Panda Cory?
Hillstream Loach is semi and Panda Cory is semi. Their preferred temperature ranges have little or no safe overlap.
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 | 14/100 |
| Ph | 100/100 |
| 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 | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 40 gal | Best when keeping larger schools or reducing territorial pressure. |