Marbled Spiny Catfish - (Franciscodoras marmoratus)

🐟 Marbled Spiny Catfish – (Franciscodoras marmoratus) – South American Armored Catfish for Sale

The Marbled Spiny Catfish (Franciscodoras marmoratus) is a robust and armored freshwater catfish native to South America, recognized for its stunning marbled pattern and spiny, bony plates that offer natural protection. This hardy species makes a great addition to larger aquariums, especially with other robust tankmates, and is well-loved for its durability, unique appearance, and bottom-dwelling behavior.

🔎 Quick Facts – Marbled Spiny Catfish

• 📛 Common Name: Marbled Spiny Catfish
• 🔬 Scientific Name: Franciscodoras marmoratus
• 🌍 Origin: South America – primarily Brazil and surrounding river systems
• 🎨 Appearance: Strong armored body with cream and dark brown marbling; long spiny dorsal and pectoral fins for defense
• 📏 Max Size: 12–14 inches (30–35 cm)
• 💎 Availability: Large armored catfish for sale

😇 Behavior & Temperament

• 🐟 Peaceful to semi-aggressive – compatible with medium to large tankmates
• 🛡️ Armored plates and sharp spines deter predators
• 💤 Bottom-dweller that enjoys resting in shaded areas
• 🏃 Active during low light but will adapt to daytime feeding

🏠 Tank Requirements

• 📦 Minimum Tank Size: 125+ gallons for adults
• 🪵 Provide sandy substrate, driftwood, and rock caves
• 🌊 Moderate water movement
• 💡 Dim to moderate lighting for natural comfort

💧 Water Parameters

• 🌡️ Temperature: 74–82°F (23–28°C)
• ⚗️ pH: 6.5–7.5
• 💧 Water Hardness: Soft to moderately hard

🍽️ Diet (Omnivorous)

• 🍤 Shrimp, worms, and small crustaceans
• 🌿 Algae wafers, sinking pellets, and blanched vegetables
• 🐟 Occasional small fish or protein-based frozen foods

📋 Overview Table – Marbled Spiny Catfish Care

✨ Highlight:
The Marbled Spiny Catfish is a tough, beautifully patterned armored catfish that adds personality and durability to large aquariums, thriving alongside other strong, medium-to-large fish species.