Banded mountain loach - Acanthocobitis urophthalmus

Scientific name: Acanthocobitis urophthalmus

Common name: Banded mountain loach

Family: Nemacheilidae

Usual size in fish tanks: 4 - 5 cm (1.57 - 1.97 inch)

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Recommended pH range for the species: 6.5 - 7.5

Recommended water hardness (dGH): 4 - 18°N (71.43 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 23 - 26 °C (73.4 - 78.8°F)

The way how these fish reproduce: Spawning

Where the species comes from: Sri Lanka

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Bottom levels

Origin of the Fish

The Banded Mountain Loach (Acanthocobitis urophthalmus) is native to the freshwater rivers of Sri Lanka, particularly the River Kelani and River Nilwala. These rivers are characterized by fast-flowing, well-oxygenated waters with rocky and sandy substrates. In their natural environment, they inhabit areas rich in plant debris and leaf litter, offering ample hiding spots and a natural source of food.

Lifespan

With proper care, the Banded Mountain Loach can live for 2-3 years in captivity. Providing stable water conditions and a suitable diet is key to maximizing their lifespan.

Short Description

The Banded Mountain Loach is a small, active fish known for its distinct pattern of horizontal bands across its body. Growing up to 4-5 cm (1.57 - 1.97 inches) in aquarium conditions, these loaches are best suited to aquariums that replicate their natural, fast-flowing habitat. They are peaceful in nature and thrive in groups of 4-6, as this social structure makes them feel secure. Due to their specific requirements for water quality and flow, they are not ideal for beginner aquarists.

General Care

To keep Banded Mountain Loaches healthy, it's important to replicate their natural environment in the aquarium. They require a tank with a strong water flow and high oxygen levels, which can be achieved using powerheads or filters with adjustable flow rates. A sponge filter is a good addition to a filtration system that provides strong flow, as it helps maintain water quality without disturbing the substrate.

A sandy substrate is recommended, as these loaches enjoy burrowing. Provide plenty of hiding places with rocks, driftwood, and aquarium plants to make them feel secure. Water temperature should be maintained between 23-26°C (73.4-78.8°F), with a pH range of 6.5-7.5 and water hardness between 4-18°N (71.43 - 321.43 ppm).

Regular water changes (20-30% weekly) are necessary to maintain water quality. Since Banded Mountain Loaches are sensitive to poor water conditions, ensure the tank is cycled before introducing them. A tank size of at least 60 liters (15 gallons) is recommended for a small group, with an additional 10 liters (2.6 gallons) for each additional loach.

Compatible Tankmates

Banded Mountain Loaches are peaceful and do well with other similarly sized, non-aggressive fish. Suitable tankmates include:

Avoid housing them with large, aggressive species that may outcompete them for food or cause stress.

Food and Feeding

Banded Mountain Loaches are omnivorous and will accept a variety of foods. Ensure the food reaches the bottom of the tank, where they typically feed. Their diet can include sinking catfish pellets, algae wafers, and frozen or live foods such as bloodworms and brine shrimp. Additionally, offer blanched vegetables like peas, zucchini, and cucumber to supplement their diet. A varied diet is essential to keep them healthy and active.

Sexing

There are no distinct physical differences between male and female Banded Mountain Loaches, making sexing difficult. In general, females may appear slightly rounder when mature, particularly during breeding periods.

Breeding

Currently, there are no reported cases of Banded Mountain Loaches successfully breeding in home aquariums. In the wild, they are believed to spawn in fast-flowing waters with specific conditions that are challenging to replicate in captivity. However, providing a well-maintained environment with proper water quality may increase the likelihood of breeding behaviors in the future.

Conclusion

Banded Mountain Loaches are an intriguing addition to aquariums, known for their active nature and peaceful temperament. They require specific care and a well-maintained environment to thrive. By replicating their natural habitat, providing a varied diet, and maintaining high water quality, these loaches can become a fascinating part of a community tank.