Beaufortia kweichowensis – Beautiful Butterfly Hillstream Loach
The Beaufortia kweichowensis, commonly known as the Butterfly Hillstream Loach, is a fascinating freshwater fish admired for its distinctive flattened body, beautiful spotted patterns, and remarkable ability to cling to rocks.
Native to fast-flowing streams in southern China, this unique species features broad, wing-like fins that create a butterfly-shaped appearance when viewed from above.
Its specialized body structure allows it to navigate strong currents while grazing on natural algae and biofilm growing on rocks and aquarium surfaces.
Peaceful and entertaining, Butterfly Hillstream Loaches make wonderful additions to mature freshwater stream aquariums. They thrive in clean, highly oxygenated water with moderate to strong circulation, smooth stones, and plenty of natural grazing surfaces.
An exceptional choice for aquarists seeking a distinctive, active, and fascinating bottom-dwelling freshwater fish.
Care Guide
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Parameter
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Details
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Scientific Name
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Beaufortia kweichowensis
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Common Name
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Butterfly Hillstream Loach
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Origin
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Southern China
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Adult Size
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Approximately 6–8 cm
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Temperature
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18–24°C
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pH
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6.5–7.5
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Water Hardness
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Soft to moderately hard
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Minimum Tank Size
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75–100 L+ recommended
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Diet
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Omnivorous grazer; algae, biofilm, small invertebrates, sinking foods
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Temperament
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Peaceful; may defend grazing territories
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Care Level
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Intermediate
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Group Size
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Single specimen or small group with sufficient space
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Lifespan
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Approximately 5–8 years; variable
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Swimming Level
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Bottom / Rock Surfaces
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Water Flow
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Moderate to Strong
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Oxygen Requirements
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High
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Aquarium Type
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Hillstream Aquarium / River-Style Aquarium
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