L400 Hypancistrus – Hypancistrus sp. | Rare L-number catfish with a high-contrast striped pattern

The L400 Hypancistrus ( Hypancistrus sp. "L400" ) is a rare, strikingly patterned L-number catfish from the Rio Curuá in Brazil. With its distinctive black and white striped pattern, it resembles the well-known L066, but appears finer and more uniform in its markings – a true gem for any aquarium.

The L400 remains compact, reaching a final size of approximately 10–12 cm, and is known for its peaceful, calm nature. It is crepuscular, prefers shady hiding places, and displays particularly vibrant colors in well-structured aquariums.

🌿 Characteristics & Attitude:
🐠 Fish size: S/M (4–6 cm)
🌎 Origin: Brazil (Rio Curuá) – Wild caught/Captive bred
🌡️ Temperature: 26-30°C
💧 pH value: 6.0–7.5
⚖️ Total hardness: up to 15 °dGH
🐟 Social behavior: Peaceful, slightly territorial towards other members of their species
🌾 Aquarium: From 100 liters, with roots, stones, fine sand & gentle current

🍽️ Feeding:
The Hypancistrus L400 is a predominantly carnivorous L-number catfish. It prefers frozen and live foods such as brine shrimp, mysis shrimp, cyclops, or mussel meat. It also accepts food tablets, granules, and occasionally spirulina or vegetable chips.

💡 Tip:
Several caves and hiding places are important to avoid territorial disputes. Good oxygenation and regular water changes promote vitality, coloration, and spawning readiness.

👉 Conclusion:
The L400 Hypancistrus ( Hypancistrus sp. “L400” ) is a rare, high-contrast L-number catfish with fine linework – perfect for lovers of exquisite Hypancistrus species and structured South American aquariums.