Hillstream Loach - Sewellia lineolata

Hillstream Loach (Sewellia lineolata)

The Hillstream Loach (Sewellia lineolata) is a fascinating freshwater fish known for its distinctive appearance and unique adaptations to fast-flowing waters. Its intricate pattern, peaceful nature, and ability to cling to surfaces make it a popular choice for aquarists looking to recreate a riverine environment in their aquarium.

Description:

• Common Name: Hillstream Loach, Reticulated Hillstream Loach

• Scientific Name: Sewellia lineolata

• Family: Balitoridae

• Size: Up to 3 inches (7.5 cm)

• Color: Olive to brownish body with intricate, reticulated patterns of dark stripes and spots

Native Region:

Sewellia lineolata is native to Southeast Asia, particularly in Vietnam and Laos, where it inhabits clear, fast-flowing streams and rivers with rocky substrates.

Aquarium Setup:

• Tank Size: Minimum of 20 gallons (75 liters) for a small group

• Water Parameters:

• Temperature: 68-75°F (20-24°C)

• pH: 6.5-7.5

• Hardness: Soft to moderately hard water

• Substrate: Fine gravel or sand with smooth, rounded rocks and plenty of hiding spots

• Diet: Omnivorous; prefers algae, biofilm, and sinking foods such as algae wafers, and can also be fed blanched vegetables and live or frozen foods

Care Level:

• Difficulty: Moderate

• Temperament: Peaceful; best kept in groups

• Lifespan: 5-8 years

• Breeding: Possible in captivity; requires well-oxygenated water and appropriate conditions

Additional Tips:

• Water Flow: Provide strong water flow with a powerful filter or powerhead to replicate the fast-flowing streams of their natural habitat.

• Tank Mates: Ideal for community tanks with other peaceful species that thrive in similar water conditions, such as danios, rasboras, and other loaches.

• Oxygenation: Ensure high oxygen levels in the water by using airstones or strong surface agitation.