Kuhli Loach

Pangio kuhlii

Loaches

A remarkably peaceful, eel-like bottom dweller native to the slow-moving forest streams of Southeast Asia. Famous for its orange and dark brown banding, the Kuhli Loach is an excellent scavenger. They are notoriously shy and nocturnal, requiring dense planting, leaf litter, and most importantly, a soft sand substrate to burrow in without damaging their delicate barbels. They must be kept in groups to feel secure and prevent severe stress.

At a Glance

Adult Size10 cm
Body ShapeEel
Growth RateSlow
TemperamentPeaceful
Water TypeFreshwater Only
Flow PreferenceLow
Waste OutputLow
StockingSchool of 6+

Tank Requirements

Minimum Volume60 L
Minimum Length60 cm
FlowLow
Water TypeFreshwater Only
Must-Haves in the Tank
Sand (Sifters)Leaf Litter/BlackwaterSmooth Gravel (Sensitive Barbels)Plants - Densely covered

Water Parameters

Temperature2430°C
pH5.57
Hardness310 dGH

Temperament & Compatibility

Aggression LevelPeaceful
0/10
Where They Swim
Surface
Mid-level
Bottom
Stocking Guidelines
Keep at Least6 fish
Max per TankNo limit
Can Live Alone?No — needs a group
Behavior Traits
Shy / Slow Moving (Easily Stressed)NocturnalDigger (Disturbs Substrate)Jumper (Lid Required)

Available Varieties

Each variety inherits the species defaults above. Only differences are highlighted.

Standard (Banded)

The classic orange and black banded Kuhli Loach found in the trade. Must be kept in groups of 6 or more; otherwise, they will hide constantly and may refuse to eat.

Same care requirements as the base species

Also known as: Banded, Classic, Standard

Kuhli Loach Care Summary

The Kuhli Loach, scientifically known as Pangio kuhlii, belongs to the Loaches family group. Adults reach a maximum size of approximately 10 cm and have a eel body shape with a slow growth rate. Classified as peaceful, this species primarily occupies the bottom zone of the aquarium and produces a low level of biological waste.

To thrive, the Kuhli Loach requires a freshwater only aquarium with a minimum volume of 60 litres and a tank length of at least 60 cm. Water temperature should be maintained between 24°C and 30°C, with a pH range of 5.57 and a general hardness of 310 dGH. A low water flow is preferred. To replicate their natural habitat, the tank should include sand (sifters), leaf litter/blackwater, smooth gravel (sensitive barbels), and plants - densely covered.

As a schooling species, Kuhli Loach should be kept in groups of at least 6. Keepers should be aware that this species is a known jumper, so a tight-fitting lid is essential and is primarily active at night or during twilight hours. The Kuhli Loach is typically available in one standard form.


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