
Aulonocara sp. 'Firefish' - Tropical Fish for Sale UK
24–28°C · pH 7.5–8.5 · 200L

Baryancistrus sp. L177
A striking gold-marked pleco that rewards expert keepers with bold color, unique shape, and demanding river-style care. Difficult care, peaceful. 26-30C, pH 6.0-7.5.
Maintain these water conditions for optimal health and vibrant colors
The L-number pleco, scientifically known as Baryancistrus sp. L177, a striking gold-marked pleco that rewards expert keepers with bold color, unique shape, and demanding river-style care.. Baryancistrus is a genus of freshwater Loricariid catfish. They inhabit flowing sections of rivers, especially clearwater, in the basins of the Amazon (notably Trombetas, Tapajós, Xingu and Tocantins)
Native to Clearwater river systems of Brazil, likely the Xingu basin; exact locality for L177 is not fully confirmed, this difficult-care species belongs to the Loricariidae family and has earned a loyal following among UK aquarists for its unique characteristics and manageable requirements.
This stunning L-number pleco showcases bold yellow or gold seams along its body, creating a striking contrast against darker base coloration. The armored body and suckermouth are characteristic of the Loricariidae family.
At Tropical Fish Co, we select only the healthiest specimens with vibrant coloration and active behavior, ensuring you receive premium quality fish for your aquarium.
In the wild, Baryancistrus sp. L177 inhabits clearwater river systems of brazil, likely the xingu basin; exact locality for l177 is not fully confirmed. Understanding their natural environment helps us replicate optimal conditions in the home aquarium.
The natural habitat features specific water chemistry and environmental conditions that we carefully replicate in captive care for optimal health and longevity.
A minimum tank size of 150 litres is essential for housing L177 Baryancistrus sp. 6 -. Larger aquariums provide more stable water chemistry and greater swimming space, both critical for long-term health.
Provide plenty of driftwood for grazing, caves for hiding, and smooth rocks. Strong water movement and excellent oxygenation are essential, replicating the flowing rivers of their natural habitat. Avoid sharp decorations that could damage their delicate fins or barbels.
Invest in quality filtration capable of turning over the tank volume 4-6 times per hour, and perform regular 25-30% water changes weekly to maintain pristine conditions.
This is an advanced species - research thoroughly and ensure your aquarium is fully cycled with stable parameters before introducing L177 Baryancistrus sp. 6 -. Water quality must be exceptional at all times.
Maintaining correct water parameters is crucial for the health of L177 Baryancistrus sp. 6 -:
This species prefers soft, acidic water. Use RO water remineralized to appropriate GH/KH, add Indian almond leaves or alder cones for tannins, and avoid calcareous decorations that raise pH.
Invest in quality test kits and check parameters weekly. Stability is more important than hitting exact numbers - avoid sudden changes that stress fish.
As a primarily herbivore / aufwuchs grazer, L177 Baryancistrus sp. 6 - requires a carefully balanced diet to maintain optimal health and coloration.
Primarily grazes aufwuchs, algae, biofilm, and other plant-based material; provide sinking algae wafers, spirulina-based foods, blanched vegetables, and only small amounts of protein-rich frozen or...
Provide frequent small meals of algae wafers, spirulina flakes, and blanched vegetables (zucchini, cucumber, spinach). Limit protein to 35% or less to prevent digestive problems. Some grazing throughout the day is natural.
Remove uneaten food after 3-5 minutes to prevent water quality degradation. A single weekly fasting day can benefit digestion and overall health.
The L177 Baryancistrus sp. 6 - is classified as peaceful, though individual personality can vary with age, tank size, and stocking density.
This peaceful species thrives in community setups with similarly sized, non-aggressive tankmates. Calm demeanor and gentle nature make it ideal for planted aquariums.
Requires pristine, highly oxygenated water with strong filtration and some current. Provide driftwood, hiding places, and smooth rock surfaces; avoid sharp decor. This species is sensitive to poor...
Choose tankmates carefully to ensure a harmonious community aquarium:
Compatible species include:
Avoid housing with:
Always research specific compatibility and introduce new fish gradually, monitoring behavior closely during the first few weeks.
Breeding is uncommon in home aquaria and usually requires very large, warm, well-oxygenated water with strong current, excellent water quality, and suitable caves or crevices. Spawning behavior and...
Provide flat rocks, caves, or smooth surfaces for spawning. Parent fish typically guard eggs and fry, though behavior varies. Excellent water quality and frequent small water changes support fry development.
When you choose Tropical Fish Co for your L-number pleco purchase, you benefit from:
With decades of combined experience in the UK aquarium trade, we understand what makes healthy, thriving fish. Our L177 Baryancistrus sp. 6 - specimens are among the finest L-number pleco available online today.
Order with confidence knowing you're purchasing from a trusted UK specialist. We're passionate about connecting aquarists with exceptional fish for sale UK wide.
Healthy, vibrant fish from trusted suppliers
Detailed care guides and support
Your fish arrives healthy or we'll replace it
Properly quarantined and ready for your tank

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