Hillstream Loach and Yellow Tang Compatibility Overview
Hillstream Loach and Yellow Tang are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Hillstream Loach wants 6.0โ7.5 and Yellow Tang wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Hillstream Loach | Yellow Tang | Verdict |
|---|---|---|---|
| Temperature | 68โ75ยฐF | 72โ82ยฐF | โ ๏ธ 72โ75ยฐF (narrow) |
| pH Range | 6.0โ7.5 | 8.1โ8.4 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 2.6 in | 8.0 in | โ ๏ธ 3.1ร difference |
| Min. Group | 4+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
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
Yellow Tang โ Zebrasoma flavescens
The Yellow Tang is a popular and vibrant fish suitable for beginners. With its bright yellow color and blue stripes, it adds a striking contrast to the aquarium. They are generally peaceful and can be kept in a community tank, though they may be nippy with certain tankmates. They require a well-maintained tank with plenty of swimming space and a varied diet.
Frequently Asked Questions
Can Hillstream Loach live with Yellow Tang?
Generally not recommended. Hillstream Loach and Yellow Tang are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Hillstream Loach wants 6.0โ7.5 and Yellow Tang wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Hillstream Loach and Yellow Tang together?
A minimum of 100 gallons is recommended for keeping Hillstream Loach and Yellow Tang together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Hillstream Loach and Yellow Tang?
72โ75ยฐF (narrow) โ inside Hillstream Loach's 68โ75ยฐF and Yellow Tang's 72โ82ยฐF.
Is a Hillstream Loach aggressive toward a Yellow Tang?
Hillstream Loach is peaceful and Yellow Tang is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Hillstream Loach and Yellow Tang
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 180 gal | Best when keeping larger schools or reducing territorial pressure. |