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Black Kuhli Loach (Pangio oblonga) – Peaceful Bottom Dweller for Nano & Community Tanks

$5.99

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Black Kuhli Loaches

Black Kuhli Loaches are one of the most unique and underrated freshwater fish available. With their eel-like bodies and nocturnal behavior, they add constant movement and personality to the bottom of your aquarium.

✔ Peaceful and community-safe
✔ Excellent scavengers (eat leftover food)
✔ Perfect for nano and planted tanks
✔ Thrive in groups of 6+
✔ Unique “eel-like” look customers love

Tank Setup Tips

Use sand substrate (prevents injury to barbels)
Provide hiding spots (plants, driftwood, caves)
Keep with peaceful tank mates like:

What You’ll Receive

Healthy, active Black Kuhli Loaches
Size: ~1.5–3 inches
Carefully packed and shipped with insulated materials

Care Guide

Tank Size: 10+ gallons
Temperature: 75–82°F
pH: 6.0–7.5
Temperament: Peaceful
Care Level: Easy → Intermediate

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Details

Black Kuhli Loaches enhance freshwater aquariums by gracefully gliding along the substrate, scavenging for leftover food and contributing to natural tank maintenance. Unlike many bottom-dwellers, they are peaceful, adaptable, and resilient, thriving in a range of freshwater conditions. Their slender, eel-like bodies and secretive nighttime habits create a fascinating display, especially in planted or community tanks. Ideal for aquarists seeking both functionality and visual interest, these loaches add subtle movement and natural behavior to the tank environment. Use Black Kuhli Loaches to maintain cleanliness, introduce activity along the bottom, and enjoy their captivating, low-maintenance presence in your aquarium.

Why Choose Black Kuhli Loaches?

Peaceful, bottom-dwelling fish ideal for community tanks
The unique eel-like appearance adds visual interest and variety to the aquarium
Hardy and adaptable to a range of freshwater conditions
Active nocturnal behavior creates dynamic movement at night
Excellent scavengers, helping maintain substrate cleanliness naturally
Small size makes them suitable for medium and larger tanks
Social species that thrive in groups, promoting natural behavior
Compatible with plants and decorations, enhancing tank aesthetics
Easy to care for, suitable for beginners and experienced aquarists
Adds ecological balance by consuming leftover food and detritus

Feeding & Tank Requirements

Feed sinking pellets, live or frozen foods like bloodworms and brine shrimp, and occasional blanched vegetables
Maintain water temperature between 75–86°F (24–30°C) for optimal activity
Keep pH levels between 6.0–7.5, with soft to moderately hard water preferred
Tank size minimum: 20 gallons for a small group
Use a soft substrate like sand to prevent injury to delicate undersides
Provide hiding spaces with plants, driftwood, or caves for comfort and security
Moderate filtration is recommended to maintain water quality without strong currents
Regular water changes (20–30% weekly) ensure a healthy environment
Avoid aggressive tank mates that may harass or eat them
Low to moderate lighting to simulate natural habitat conditions and reduce stress

Specifications

Specification	Detail
Species	Black Kuhli Loach (Pangio oblonga)
Quantity	1-10
Size	3–4 inches (adult)
Water Type	Freshwater
Temperature Range	75–86°F (24–30°C)
pH Range	6.0–7.5
Diet	Sinking pellets, live/frozen foods, blanched vegetables
Lifespan	5–8 years
Temperament	Peaceful, social
Tank Size	Minimum 20 gallons
Compatibility	Small, peaceful fish
Breeding	Egg layers; challenging in captivity

FAQ

Q: Are Black Kuhli Loaches suitable for community tanks?

A: Yes, they are peaceful bottom-dwellers that coexist well with other small, non-aggressive fish, enhancing tank dynamics without disturbing mid and top-level swimmers.

Q: How many should be kept together?

A: They are social and thrive in groups of at least six, which encourages natural behavior and reduces stress in the aquarium environment.

Q: What do Black Kuhli Loaches eat?

A: They are omnivores and enjoy sinking pellets, live or frozen foods like bloodworms, daphnia, brine shrimp, and occasional blanched vegetables to stay healthy and active.

Q: Do they burrow in the substrate?

A: Yes, they like soft substrates such as sand to burrow and explore safely, mimicking natural riverbed conditions while protecting their delicate undersides.

Q: Can they live in planted tanks?

A: Absolutely, they thrive among plants, driftwood, and caves, which provide hiding spots and simulate their natural habitat, improving overall comfort and reducing stress.

Q: Do they require special lighting?

A: Low to moderate lighting works best, as these nocturnal fish are more active at night and prefer dim conditions during the day to feel secure.

Q: What water conditions do they prefer?

A: Soft to moderately hard water with a pH of 6.0–7.5 and temperatures between 75–86°F provides optimal health and encourages natural activity.

Q: How do I prevent stress in the tank?

A: Keep them in groups, provide ample hiding spots, maintain stable water parameters, avoid strong currents, and choose peaceful tank mates to reduce stress levels.

Q: Can they help keep the tank clean?

A: Yes, as scavengers they consume leftover food and detritus on the bottom, helping maintain substrate cleanliness while complementing regular tank maintenance routines.

Q: Are they difficult to care for?

A: No, they are hardy and adaptable, making them suitable for beginners, but they do require social groups, soft substrate, and stable water conditions for optimal health. Check out our care guide for more info!

Q: How long do they live?

A: With proper care, they typically live 5–8 years in a well-maintained freshwater aquarium, allowing for long-term enjoyment of their unique behavior and appearance.

Q: Do they breed easily in captivity?

A: Breeding is challenging, as they scatter eggs in hidden spots, requiring specific conditions that are difficult to replicate outside of their natural environment.