Nigrirostrum catfish – Sturisoma nigrirostrum | Rare wild-caught fish & graceful algae eater

The sturgeon catfish ( Sturisoma nigrirostrum ) is a rare, elegant wild-caught fish from the clear, oxygen-rich rivers of the Colombian Andes. With its elongated body, impressive tail fin, and characteristic dark snout coloration ("nigrirostrum"), it is considered one of the most beautiful members of the sturgeon catfish family.

This peaceful, current-loving species is perfectly suited for naturalistic aquariums. Sturisoma nigrirostrum glides gracefully over stones and roots, grazing on algae and microorganisms. It is an excellent algae eater that is gentle on plants and brings tranquility and elegance to the aquarium with its behavior.

🌿 Characteristics & Attitude:
🐠 Fish size: M (8–10 cm)
🌎 Origin: Colombia – Wild caught
🌡️ Temperature: 24-28°C
💧 pH value: 6.0–7.5
⚖️ Total hardness: up to 15 °dGH
🐟 Social behavior: Peaceful, calm, in pairs or groups
🌾 Aquarium: From 150 liters, with current, roots, smooth stones & high oxygen saturation

🍽️ Feeding:
The sturgeon catfish (Pixabay nigrirostrum) feeds on biofilm, algae, and plant matter. In an aquarium, it readily accepts spirulina, seaweed wafers, vegetable chips, blanched cucumber, and fine frozen food (cyclops, brine shrimp). A varied, predominantly plant-based diet is ideal.

💡 Tip:
A well-filtered, fast-flowing aquarium with plenty of oxygen and smooth surfaces provides optimal conditions. Regular water changes and stable water parameters promote vitality and reproduction.

👉 Conclusion:
The sturgeon catfish nigrirostrum ( Sturisoma nigrirostrum ) is a rare, peaceful wild-caught fish with a distinctive snout pattern and excellent algae-eating behavior – ideal for large, natural flow tanks.