Description
Jumbo Kuhli Loach (Pangio spp.)
π Basic Info
Scientific Name: Pangio spp. (commonly Pangio semicincta, Pangio myersi, or Pangio kuhlii)
Common Names: Jumbo Kuhli Loach, Giant Kuhli Loach, Myerβs Loach
Family: Cobitidae
Order: Cypriniformes
Origin: Southeast Asia β Indonesia, Malaysia, Borneo, and Thailand
Size: Up to 6 inches (15 cm) in the jumbo form (normal Kuhli Loach: ~4 inches / 10 cm)
Lifespan: 8 β 10 years
Tank Zone: Bottom dweller
π Water Parameters
TDS: 100 β 250 ppm
pH: 6.0 β 7.5
Temperature: 24 β 28Β°C (75 β 82Β°F)
Hardness: Soft to moderately hard (2 β 10 dGH)
π Characteristics
Body: Elongated, eel-like body with a smooth texture and small scales.
Coloration: Alternating dark brown to black bands over a golden or orange background.
Variation: The βJumboβ form is thicker-bodied and longer than regular Kuhli Loaches, sometimes identified as Pangio myersi or Pangio oblonga.
Eyes: Small, partially covered by a transparent skin layer.
Behavior: Peaceful, shy, and nocturnal; prefers to hide under sand, driftwood, or plants during the day.
Nature: Social β should be kept in groups of 5 or more.
π½οΈ Food
Type: Omnivorous scavenger
Diet: Sinks foods like bloodworms, tubifex, sinking pellets, micro pellets, and vegetable matter (cucumber, zucchini).
Feeding Frequency: 1β2 times daily; feed after lights out for best results.
π οΈ Maintenance
Tank Size: Minimum 75 liters (20 gallons) for a small group; larger for jumbo varieties.
Filtration: Gentle water flow; sponge pre-filter recommended to prevent suction injuries.
Substrate: Fine sand or smooth gravel (they burrow often).
Decor: Dense planting, driftwood roots, and hiding pipes/caves.
Lighting: Dim or subdued β enhances activity.
Water Change: 20β25% weekly with stable parameters (they are sensitive to sudden changes).
π₯ Social Behavior
Group Size: 5β10 individuals; solitary ones hide constantly.
Tank Mates: Peaceful community fish like tetras, rasboras, gouramis, corydoras, and small barbs.
Avoid: Large or aggressive species (like cichlids or loaches such as Botia almorhae).
β Doβs
β’ Keep in soft, clean, well-oxygenated water.
β’ Provide smooth decor with no sharp edges.
β’ Maintain a secure lid β they can escape through gaps.
β’ Offer a variety of sinking foods.
β Donβts
β’ Donβt keep on sharp gravel.
β’ Donβt expose them to sudden temperature or pH changes.
β’ Donβt keep singly β they are social and stress easily alone.
β Quick Tips
The Jumbo Kuhli Loach is a peaceful bottom-dwelling scavenger loved for its snake-like motion and playful nature. Itβs an excellent addition to planted or soft-bottom community tanks. Provide plenty of hiding spaces, a soft sandy substrate, and low lighting to see them at their best.




