Cryptarius truncatus – Wild-caught

Cryptarius truncatus is an extremely rare and fascinating catfish from Southeast Asia. With its massive, torpedo-shaped body and high dorsal fin, it visually resembles sea catfish and displays a calm yet imposing demeanor. This species originates from estuaries and the lower reaches of large rivers, where fresh and brackish water merge – an indication of its remarkable adaptability.

In nature, Cryptarius truncatus lives close to the bottom over sand and gravel, feeding on small fish and invertebrates. In the aquarium, it is curious, robust, and peaceful towards similarly sized fish, but requires ample swimming space and oxygen-rich water.

🌿 Characteristics & Husbandry:
🐟 Fish size: S (approx. 7–8 cm, juvenile)
🌍 Origin: Southeast Asia (Thailand, Malaysia, Sumatra) – Wild-caught
🌡️ Temperature: 24–29 °C
💧 pH value: 6.8–7.8
⚖️ Total hardness: up to 20 °dGH
🐠 Social behavior: Peaceful, active, grows large
🏞️ Aquarium: from 600 l with current, sand bottom & hiding places

🍽️ Feeding:
Cryptarius truncatus is an omnivore with a focus on animal food. It readily accepts frozen and live food such as Mysis, shrimp, mussel meat, or fish pieces. High-quality food tablets and granules are also accepted. A varied, protein-rich diet ensures vitality and healthy growth.

💡 Tip:
This species prefers slightly brackish water with strong current and high oxygen content. Good filtration and regular water changes are essential. Cryptarius truncatus is perfect for experienced aquarists who want to keep special species from estuarine habitats.

👉 Conclusion:
Cryptarius truncatus is a rare, impressive catfish species from Southeast Asia – peaceful, robust, and a real eye-catcher for large aquariums with current.