Hillstream Loaches

Hillstream Loach (Beaufortia / Sewellia spp.)
Hillstream Loaches are unique, peaceful bottom-dwellers known for their distinctive flattened, ray-like bodies and ability to cling to rocks in fast-flowing streams. Originating from cool, oxygen-rich mountain rivers across Asia, they are excellent algae grazers and make a fascinating addition to well-oxygenated aquariums with strong water movement.

Quick Facts:

• Origin: Mountain streams of Southeast Asia and China

• Family: Balitoridae / Gastromyzontidae

• Adult Size: 5–7 cm

• Lifespan: 5–8 years

• Temperament: Peaceful, active, social

• School Size: Best kept in groups of 3 or more

• Tank Level: Bottom-dweller

• Diet: Omnivore – algae, biofilm, sinking wafers, blanched vegetables

• Water Temperature: 20–24 °C

• pH Range: 6.5–7.5

• Water Hardness: Soft to moderately hard

• Tank Setup: Strong water flow, smooth stones, sand substrate, high oxygenation

• Compatibility: Peaceful with other calm community species

• Care Level: Intermediate