Siamese Giant Carp - (Catlocarpio siamensis)

🐟 Siamese Giant Carp – (Catlocarpio siamensis) – The Largest Carp Species in the World

The Siamese Giant Carp, also known as the Giant Barb, is the largest member of the carp family (Cyprinidae), capable of reaching truly massive sizes. Native to the slow-moving rivers and floodplains of Southeast Asia, particularly the Mekong and Chao Phraya River basins, this species can grow over 9 feet (2.75 m) long and weigh more than 600 pounds (272 kg) in the wild.

Highly endangered due to habitat loss and overfishing, the Siamese Giant Carp is rarely seen in the aquarium trade and is more often kept in public aquariums or private tropical ponds with enormous capacity.

🔎 Quick Facts – Siamese Giant Carp (Catlocarpio siamensis)

• 📛 Common Names: Siamese Giant Carp, Giant Barb
• 🔬 Scientific Name: Catlocarpio siamensis
• 🌍 Origin: Southeast Asia – Mekong & Chao Phraya River basins
• 🎨 Appearance: Large, deep-bodied fish with silver-gray to dark gray coloration and large scales
• 📏 Max Size: 9+ feet (2.75 m) in the wild, 4–6 feet (1.2–1.8 m) in captivity
• 💎 Rarity: Extremely rare in the aquarium trade; protected in many regions

😇 Behavior & Temperament

• 🐟 Peaceful for their size but require very large space
• 🌊 Strong, steady swimmers
• 🪵 Best suited for public aquariums or massive private ponds
• ⚠️ Not suitable for home aquariums

🏠 Aquarium & Pond Requirements

• 📦 Minimum Size: Thousands of gallons; public aquarium-scale setups
• 🌊 Strong filtration and high oxygen levels
• 🪵 Open swimming areas with minimal obstructions
• 💡 Natural or bright lighting

💧 Water Parameters – Siamese Giant Carp Care

• 🌡️ Temperature: 68–82°F (20–28°C)
• ⚗️ pH: 6.5–7.5
• 💧 Hardness: Soft to moderately hard

🍽️ Diet – Omnivorous

• 🌿 Aquatic plants and vegetable matter
• 🐟 Small invertebrates, crustaceans
• 🍚 Prepared sinking pellets for large fish
• 🥬 Fresh vegetables such as lettuce, spinach, and peas

📋 Siamese Giant Carp Care Overview Table

✨ Highlight:

• The Siamese Giant Carp is a gentle giant and a nationally protected fish in several Southeast Asian countries, admired for its size, beauty, and cultural significance—but only suited for massive, specialized enclosures.