Wallago Catfish - (Wallago attu)

🐟 Wallago Catfish – (Wallago attu) – Giant Asian Predator Catfish

The Wallago Catfish (Wallago attu) is a massive, predatory freshwater catfish native to rivers and lakes across South and Southeast Asia, including India, Bangladesh, Myanmar, Thailand, and Indonesia. Known for its elongated body, huge mouth, and powerful hunting ability, the Wallago Catfish is a top predator in its natural habitat.

Capable of reaching lengths of 6 feet (183 cm) in the wild, this species is best suited for public aquariums or extremely large private setups. It is an aggressive hunter that feeds on fish, crustaceans, and other aquatic animals, often swallowing prey nearly half its own size. Its speed, strength, and raw power make it one of the most respected monster fish among experienced aquarists.

🔎 Quick Facts – Wallago Catfish (Wallago attu)

• 📛 Common Name: Wallago Catfish
• 🔬 Scientific Name: Wallago attu
• 🌍 Origin: South & Southeast Asia – India, Bangladesh, Myanmar, Thailand, Indonesia
• 🎨 Appearance: Long, silver-gray body with large head, wide mouth, and long anal fin
• 📏 Max Size: 6 feet (183 cm) in the wild; smaller in captivity
• 💎 Availability: Rare in the aquarium trade due to massive size requirements

😇 Behavior & Temperament

• ⚔️ Extremely aggressive predator
• 🐟 Will eat any fish small enough to fit in its mouth
• 🌊 Fast, powerful swimmer; requires ample space

🏠 Aquarium & Tank Requirements

• 📦 Minimum Tank Size: 1,000+ gallons (public aquarium scale)
• 🪵 Open swimming space with some submerged cover
• 🌊 Strong filtration and high oxygen levels
• 💡 Moderate lighting

💧 Water Parameters – Wallago Catfish Care

• 🌡️ Temperature: 75–82°F (24–28°C)
• ⚗️ pH: 6.5–7.5
• 💧 Hardness: Soft to moderately hard water

🍽️ Diet – Carnivorous

• 🐟 Whole fish (fresh or frozen)
• 🦐 Prawns, shrimp, and other meaty seafood
• 🍖 Large carnivore pellets or prepared meaty sticks

📋 Wallago Catfish Overview Table

✨ Highlight:
The Wallago Catfish is a formidable monster fish with incredible size, speed, and hunting power, making it a species reserved for the largest aquariums and the most experienced keepers.