Gastromyzontidaefreshwater fishintermediate

Butterfly Hillstream Loach

Beaufortia kweichowensis

Also known as: Butterfly Hillstream Loach, Chinese Hillstream Loach

Origin: China

B

Water Parameters

Temperature1824 °C
15 °C35 °C
pH78
49
GH (Hardness)515 °dGH
0 °dGH30 °dGH
KH (Alkalinity)310 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
6 cm
Min Tank
60 L
Lifespan
4-7
Swimming Level
bottom
Schooling
Yes (3–6+)
Diet
omnivore
Temperament
peaceful, males spar over rock territories

About

Beaufortia kweichowensis is arguably the most recognisable hillstream loach in the hobby, with its dramatically enlarged pectoral and pelvic fins giving it a wing-like silhouette. Its intricate marbled pattern of brown, cream and grey provides perfect camouflage against riverbeds. Requiring cool, highly oxygenated water and strong current, it is best suited to dedicated hillstream biotopes with specialist equipment.

Care Guide

Water: 18-24°C, pH 7.0-8.0, well-oxygenated with very strong flow. Tank: Minimum 60 L, large smooth boulders, chiller optional in warm climates. Feeding: Biofilm and algae primary; supplement sinking wafers and spirulina tabs. Behaviour: Diurnal; clings to and glides across rock surfaces; males display to rivals. Compatibility: Peaceful; best kept with small hillstream-adapted companions.

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