Peacock Eel - (Macrognathus siamensis)

🐟 Peacock Eel – (Macrognathus siamensis) – Freshwater Eel for Sale

The Peacock Eel (Macrognathus siamensis) is a fascinating and beautifully patterned freshwater spiny eel native to Southeast Asia. Named for the distinctive “eye spot” markings along its dorsal fin, this eel-like fish brings both elegance and intrigue to any aquarium. With its slender body, earthy brown-gold coloration, and striking peacock-like spots, it’s a favorite among aquarists looking for something truly unique.

Despite its exotic appearance, the Peacock Eel is peaceful and shy, making it a great choice for community aquariums with calm, non-aggressive tankmates. It enjoys burrowing in soft substrates and thrives in tanks with hiding places such as driftwood, rocks, and PVC tubes.

🔎 Quick Facts – Peacock Eel (Macrognathus siamensis)

• 📛 Common Name: Peacock Eel
• 🔬 Scientific Name: Macrognathus siamensis
• 🌍 Origin: Southeast Asia (Thailand, Laos, Cambodia, Vietnam)
• 🎨 Appearance: Slender eel-shaped body with brown-gold coloration and multiple peacock-like “eye” spots
• 📏 Max Size: 10–12 inches (25–30 cm)
• 💎 Availability: Freshwater eel for sale – aquarium-bred or wild-caught

😇 Behavior & Temperament

• 🕊️ Peaceful and shy – prefers a calm environment
• 🪵 Burrows into sandy or fine substrates
• 🐟 Best kept with peaceful tankmates of similar size
• 🌙 More active in low-light or nighttime settings

🏠 Aquarium & Tank Requirements

• 📦 Minimum Tank Size: 30+ gallons
• 🪵 Provide sandy substrate, driftwood, and caves for hiding
• 🌿 Hardy plants like Java fern or Anubias that can be attached to décor
• 💡 Moderate to low lighting for comfort

💧 Water Parameters – Peacock Eel Care

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

🍽️ Diet – Carnivorous Freshwater Eel

• 🦐 Frozen bloodworms, brine shrimp, mysis shrimp
• 🐟 Small live foods (blackworms, tubifex)
• 🍽️ Sinking carnivore pellets

✨ Highlight:
The Peacock Eel is perfect for aquarists wanting a peaceful, exotic freshwater eel species that adds unique movement and beauty to their tank. With proper care and a secure aquarium setup, this shy yet captivating fish will thrive and become a prized display in your collection.