Mastacembelus erythrotaenia - Fire Eel
The Fire Eel is one of the most sought-after and striking spiny eels in the aquarium trade. With its dark, velvety body and vibrant red or orange lateral stripes and markings, this eel-like fish brings a mysterious beauty and curious behavior to large freshwater aquariums.
Fire Eels are known for their intelligence and interaction—many recognize their owners and will hand-feed once acclimated. Though peaceful with larger tankmates, they can become territorial, especially in smaller spaces or with other bottom-dwellers.
? Key Features:
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Long, sinuous body with bright red-orange “fire” markings
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Grows up to 20–30 inches in captivity
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Intelligent and interactive – known to recognize caregivers
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Nocturnal but can become active during the day in low-light tanks
?️ Care Guidelines:
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Minimum Tank Size: 75 gallons (juveniles); 125–150+ gallons for adults
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Water Temperature: 75–82°F (24–28°C)
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pH Range: 6.5–7.5
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Diet: Carnivorous – worms, shrimp, small fish, frozen foods; may accept pellets over time
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Tank Setup: Soft sand substrate, caves, driftwood, low light, secure lid (strong jumpers)
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Behavior: Peaceful with large tankmates; avoid small fish (may be eaten)
⚠️ Important Notes:
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Escape artist – tank must have a tight-fitting lid
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Prefers dimly lit environments and plenty of hiding spots
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May take time to adjust and start eating in a new tank
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Avoid sharp decor – can injure soft underbelly
This listing is for one Fire Eel, size range is around anywhere from 3 inches to 9 inches roughly. Very healthy and currently eating bloodworms (frozen, dry or live will work fine).
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Great Customer Service
i had a great experience buying my fire eel from here. Customer service was top notch and delivery was prompt! The fish arrived healthy and was eating within 24 hours! Thank you very much i will be ordering from here again.
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healthy
Received a healthy small fire eel of approximately 7" not 12" but otherwise in good shape. The box was well-insulated in styrofoam packing. I am a repeat customer and have always found the fish to be well cared for.
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great color, size (9") and price
not much else to say, though he is rather shy and I havent seen him eat much, but he looks healthy and was surprisingly extra bright red.
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beautiful
Arrived healthy and happy.size was just as described.Best deal on fire eels online
