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Tire Track Eel
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Tire Track Eel (Mastacembelus armatus)
Additional locales and sizes may be available!

Quick Stats

Care Level Moderate
Temperament Semi-aggressive
Color Form Tan
Diet Carnivore
Water Conditions 72-82° F, KH 10-16, pH 6.8-7.2
Max. Size 2' 6"
Origin Southeast Asia
Family Mastacembelidae
Minimum Tank Size 125 gallons
What do these Quick Stats mean? Click here for more information


The Tire Track Eel, also known as the Spiny Eel, is a nocturnal predator and a member of the Mastacembelidae family. Members of this family, also referred to as the Spiny Eel family, are not true eels. They are elongated tropical freshwater fish that have numerous spines preceding the dorsal fin.

A larger aquarium with a soft substrate is necessary for this fish. The Tire Track Eel will dig in the substrate and bury itself; this may uproot plants and rearrange decorations. Two teaspoons of salt may be added per 2-1/2 gallons of water for the Tire Track Eel. This fish should be kept with other large fish that the eel will not consider as food.

Unfortunately, the breeding habits of the Tire Track Eel have not been documented.

A carnivore, the Tire Track Eel should be fed live foods such as earthworms and black worms, as well as frozen bloodworms. Prepared tablet foods as well as krill and ocean plankton may eventually be accepted.

Approximate Purchase Size: 3" to 6"

Customer Testimonials

Rob Tuck Lancaster , CA

I have one that is now 5 years old. It is approximately 3 feet long, and about 2-1/2 inches around. He is the star of my 80-gallon tank. He lives with a few cichlids, but everyone comes over to see the "Loch Ness Monster" in my tank. He is very active both day and night. He also shares the tank with a pleco about the same age, which is now 9 inches long. A word of caution, though, he will eat anything that will fit in his mouth!
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