Red Devil Hillstream Loach (Gastromyzon russulus)
Gastromyzon Red Devil Hillstream Loach is a vibrant, algae-eating freshwater fish perfect for high-flow aquariums. With its striking red color and peaceful nature, it thrives in groups and helps keep tanks clean. Ideal for hillstream or river-style setups. One of the holy grail of hillstream loaches extremely hard to come by with unreal color on them once they are fully colored up.
Key Features
- Peaceful community fish suitable for group housing
- Algae-eating behavior helps maintain tank cleanliness
- Thrives in high-flow, well-oxygenated environments
- Displays vibrant red coloration when mature
- Native to fast-flowing mountain streams in Southeast Asia
| Specification | Detail |
|---|---|
| Species | Gastromyzon russulus |
| Size (adult) | 3-4 inches |
| Water Temperature | 68-77°F |
| Water pH | 6.0-7.0 |
| Hardness | 2-8 dGH |
| Compatibility | Peaceful with other non-aggressive fish |
FAQ
What is the expected time for full coloration in Red Devil Hillstream Loach?
Please contact customer service
Can Red Devil Hillstream Loach be kept with other loach species?
Yes, they can be kept with other non-aggressive, similarly sized loach species in a well-maintained, high-flow environment.
What kind of water flow is recommended for this fish?
A strong, consistent water flow is essential to mimic their natural hillstream habitat.
Connor Alsop –
Received my Red Devil Hillstream Loach and it’s already showing vibrant red coloring. The fish is active and peaceful, and it’s helping reduce algae in my 20-gallon river tank. Very happy with the purchase, though it took a few weeks to see full coloration.
Gabrielle North –
This is one of the rarest loach species available. The fish is stunning when fully mature and adapts well to a fast-flow setup. I keep it with a few other loaches and they all coexist peacefully.
Theresa Gill –
The fish arrived healthy and seems to be adjusting well. Coloration is still developing, but the initial appearance is impressive. I’m keeping it in a well-filtered, flowing tank with strong current.
Harry Knox –
A true highlight in my aquarium. The red color stands out beautifully in the stream-like setup. It eats algae efficiently and doesn’t stress other fish. Highly recommend for enthusiasts looking for rare, colorful species.