Tiger Hillstream Loach
Cobitoidea sp.
Tiger Hillstream Loach (Cobitoidea sp.) — Intermediate care, Peaceful, under Loach. Minimum tank in the app: 25 US gal min; aim for 68–75°F and pH 6–7.8. The Tiger Hillstream Loach appeals to aquarists who appreciate active bottom dwellers with unique adaptations for riverine environments.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Asia
- East & Southeast Asia
Regional colours match the stocking calculator’s origin map.
Tiger Hillstream Loach Tank Setup
Create a dynamic environment that balances open swimming space with plenty of hiding spots using driftwood and rocks to mimic their natural habitat. Ensure moderate water flow to simulate river currents, and use fine substrate to protect their sensitive bodies. Lighting should be moderate, allowing for shaded areas where they can feel secure.
What Do Tiger Hillstream Loachs Eat?
Feeding can be competitive as they are opportunistic omnivores, so provide varied food types to minimize aggression. They may be slower eaters than some tankmates, making it important to ensure all fish get adequate nutrition.
Tiger Hillstream Loach Tank Mates
Ideal tank mates include similarly sized, non-aggressive species that occupy different swimming zones, such as some tetras or rasboras. Avoid pairing them with overly aggressive or fin-nipping species, as this can lead to stress and injury. Intraspecies interactions are generally peaceful, but monitor for signs of dominance in smaller tanks.
Are Tiger Hillstream Loachs Good for Beginners?
We rate this as intermediate. Budget time for testing, maintenance, and watching behaviour if the water looks fine but the fish do not. Aquarists often underestimate the importance of tank size and structure, leading to stress and aggression among individuals. Failing to provide sufficient hiding spots can result in insecurity and territorial disputes.
Building a community? Run the full list through the stocking calculator before you add anything else.
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