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Marbled Chinese Wels/Chinese Large-Mouth Catfish - (Silurus meridionalis)

Marbled Chinese Wels/Chinese Large-Mouth Catfish - (Silurus meridionalis)

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Marbled Chinese Wels/Chinese Large-Mouth Catfish - (Silurus meridionalis)
Fish Details, Description and Information Below:

🐟 Marbled Chinese Wels – Chinese Large-Mouth Catfish – (Silurus meridionalis) – Asian Catfish for Sale

The Marbled Chinese Wels Catfish (Silurus meridionalis), also known as the Chinese Large-Mouth Catfish, is a powerful predatory freshwater species native to China. Recognized for its large, wide mouth and distinctive marbled pattern, this catfish is highly sought after by experienced aquarists for its impressive size and commanding presence.


🔎 Quick Facts – Marbled Chinese Wels Catfish

  • 📛 Common Names: Marbled Chinese Wels, Chinese Large-Mouth Catfish
  • 🔬 Scientific Name: Silurus meridionalis
  • 🌍 Origin: China – Yangtze River Basin and surrounding waterways
  • 🎨 Appearance: Long, slender body with dark marbled patterns over a lighter background; large head with wide mouth and whisker-like barbels
  • 📏 Max Size: Over 4 feet (120+ cm) in the wild; smaller in aquariums
  • 💎 Availability: Predatory Asian catfish for sale

😇 Behavior & Temperament

  • 🦈 Predatory species – best kept with similarly sized or larger tankmates
  • 🌙 Primarily nocturnal but may become active during the day in captivity
  • 🪵 Enjoys resting near the bottom or hiding in large structures
  • 🚫 Will consume smaller fish if given the chance

🏠 Tank Requirements

  • 📦 Minimum Tank Size: 300+ gallons for adults
  • 🪵 Large hiding structures, PVC pipes, driftwood, and rock caves
  • 🌊 Moderate water movement with strong filtration due to high bio-load
  • 💡 Low to moderate lighting to mimic natural habitat

💧 Water Parameters

  • 🌡️ Temperature: 68–77°F (20–25°C)
  • ⚗️ pH: 6.5–7.5
  • 💧 Water Hardness: Soft to moderately hard

🍽️ Diet (Carnivorous)

  • 🐟 Whole fish, shrimp, and other meaty foods
  • 🦐 Frozen or live prey such as prawns, worms, and fish fillets
  • 🍖 High-protein sinking pellets for large predators

📋 Overview Table – Marbled Chinese Wels Catfish Care

Feature Details
🌍 Origin China – Yangtze River Basin
📏 Max Size 4+ feet (120+ cm)
😇 Temperament Predatory, solitary
🏠 Tank Size 300+ gallons
⚗️ pH Range 6.5–7.5
🌡️ Temp 68–77°F
🍽️ Diet Carnivorous – whole fish, shrimp, meaty foods
🎯 Ideal For Experienced aquarists with large predator setups

✨ Highlight:
The Marbled Chinese Wels Catfish is a massive and striking predator with a bold marbled pattern and a commanding presence, making it a show-stopper for advanced fishkeepers with the space and experience to house this species.

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