Zebra Spiny Eel
Mastacembelus zebrinus
The Zebra Spiny Eel is a fascinating, small eel-like fish native to the Inle Lake region of Myanmar. Known for its striking vertical stripes and elongated snout, it is a peaceful but shy bottom-dweller. It strictly requires a soft sand substrate to burrow into, as gravel can severely damage its skin and lead to fatal bacterial infections. A micropredator by nature, it will hunt small shrimp and fry but remains entirely peaceful toward appropriately sized tank mates. A tight-fitting lid is absolutely mandatory, as they are notorious escape artists.
Zebra Spiny Eel At a Glance
Zebra Spiny Eel Tank Requirements
Will Zebra Spiny Eel fit in your tank?
Care guides tell you what Zebra Spiny Eel needs, the next question is whether your tank can safely provide it. Test Zebra Spiny Eel against your tank size, maintenance needs, and the fish you already keep before you buy.
Zebra Spiny Eel Water Parameters
Zebra Spiny Eel Temperament & Compatibility
Zebra Spiny Eel Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard
The standard form found in the aquarium trade. Often hides during the day with only its snout protruding from the sand, becoming much more active at feeding time or when the tank lights dim.
Differs in 1 trait from base species
Also known as: Wild Type
Zebra Spiny Eel Care Guide Summary
The Zebra Spiny Eel, scientifically known as Mastacembelus zebrinus, belongs to the Oddballs family group. Adults reach a maximum size of approximately 15 cm and have a eel body shape with a moderate growth rate. Classified as peaceful, this species primarily occupies the bottom zone of the aquarium and produces a low level of biological waste.
To thrive, the Zebra Spiny Eel requires a freshwater only aquarium with a minimum volume of 110 litres and a tank length of at least 80 cm. Water temperature should be maintained between 22°C and 26°C, with a pH range of 6.8–8 and a general hardness of 5–15 dGH. A moderate water flow is preferred.
Due to its specialist needs, the Zebra Spiny Eel is best suited for fishkeepers who can provide a carefully planned setup. The Zebra Spiny Eel is typically available in one standard form.
Zebra Spiny Eel Habitat Setup
When setting up an aquarium for the Zebra Spiny Eel, a moderate water flow best suits their natural preferences. Because this species occupies the bottom zone, the aquarium layout should prioritise sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include a sand substrate to accommodate their sifting behaviour, smooth gravel or rounded substrate to protect their sensitive barbels, driftwood, which can serve as both a hiding place and a dietary supplement, and dense planting to provide cover, break sightlines, and reduce stress. Keepers should note that a tight-fitting lid is essential, as this species is a known jumper and expect substrate disturbance, so lightweight décor should be secured.
Zebra Spiny Eel Compatibility Notes
Classified as peaceful, the Zebra Spiny Eel is adaptable and can be kept singly or in a small group, offering flexibility when planning a community tank. When choosing tankmates, ornamental shrimp are not safe companions and boisterous or fast-moving tankmates may cause this species undue stress. Selecting tankmates that favour different water layers from the bottom zone can help reduce competition and territorial overlap.
Who Zebra Spiny Eel Is Actually For
Zebra Spiny Eel is best for a fishkeeper who wants a species that can settle into a calmer community setup and can provide someone who understands its individual space requirements. It makes the most sense for a hobbyist who will actually build around its needs, especially sand.
The most common mistake is treating Zebra Spiny Eel like any other community fish and skipping the soft sand it needs to forage safely. Another frequent problem is forcing it into an over-busy community when it would do better with more room or more deliberate tankmate choices.
Zebra Spiny Eel Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Zebra Spiny Eel.
30 Gallon Breeder
40 Gallon Breeder
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
Show 12 more tank sizes
Zebra Spiny Eel Feeding & Diet Considerations
The Zebra Spiny Eel will hunt and eat ornamental shrimp, making it unsuitable for shrimp-focused setups, will eat fry, so breeding efforts in the same tank are unlikely to succeed, and is primarily active at dusk and dawn, so offering food shortly after lights-off ensures it receives adequate nutrition.
Frequently Asked Questions About Zebra Spiny Eel
How big does Zebra Spiny Eel get?
Zebra Spiny Eel (Mastacembelus zebrinus) typically reaches a maximum adult size of approximately 15 cm. They have a eel body shape and a moderate growth rate.
What tank size does Zebra Spiny Eel need?
A minimum aquarium volume of 110 litres and a tank length of at least 80 cm are recommended for Zebra Spiny Eel. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Zebra Spiny Eel need?
Zebra Spiny Eel thrives in freshwater only conditions with a temperature range of 22–26°C, a pH between 6.8 and 8, and a general hardness of 5–15 dGH. A moderate water flow is preferred.
Is Zebra Spiny Eel peaceful or aggressive?
Zebra Spiny Eel is classified as peaceful with an aggression score of 2 out of 10. They are generally well-suited to peaceful community tanks.
Can Zebra Spiny Eel live alone?
Yes, Zebra Spiny Eel can be kept singly or in a group. They are flexible and adapt well to both setups.
Is Zebra Spiny Eel safe with shrimp?
No. Zebra Spiny Eel is known to eat ornamental shrimp and is not recommended for shrimp tanks. Even larger shrimp species like Amano Shrimp may be at risk.
Does Zebra Spiny Eel have any special tank requirements?
Yes. Zebra Spiny Eel benefits from sand (sifters), smooth gravel (sensitive barbels), driftwood (digestion/hiding), and plants - densely covered in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Does Zebra Spiny Eel need a lid on the tank?
Yes. Zebra Spiny Eel is a known jumper, and a tight-fitting lid or cover is essential to prevent escape. Even a small gap can be enough for a determined fish to leap out.
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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- April 30, 2026
- Last updated
- April 30, 2026
- Issues or corrections?
- Contact the editorial team
Top Tank Mates for Zebra Spiny Eel
These fish are strong compatibility matches for Zebra Spiny Eel based on water preferences, temperament, adult size, and tank behavior.
Banded Gourami
Trichogaster fasciata
Ideal Tank MatesMarbled Hatchetfish
Carnegiella strigata
Ideal Tank MatesThreadfin Acara
Acarichthys heckelii
Ideal Tank MatesSteindachner Dwarf Cichlid
Apistogramma steindachneri
Ideal Tank MatesRed Breasted Acara
Laetacara dorsigera
Ideal Tank MatesSpotted Hillstream Loach
Gastromyzon punctulatus
Ideal Tank MatesPlants That Suit Zebra Spiny Eel
These plants pair well with Zebra Spiny Eel based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
Afzel's Anubias
Anubias afzelii
Anubias Barteri
Anubias barteri
Christmas Moss
Vesicularia montagnei
Congo Anubias
Anubias heterophylla
Coral Pelia
Riccardia chamedryfolia
Dwarf Buce
Bucephalandra pygmaea
Fish Similar to Zebra Spiny Eel
Peacock Eel
Macrognathus siamensis
A peaceful, nocturnal spiny eel native to Southeast Asia, easily identified by the false eyespots (ocelli) along its dorsal fin. They are notorious escape artists and avid burrowers. A soft sand substrate is absolutely mandatory to prevent severe bacterial skin infections from scratching, along with a tight-fitting lid. They are picky eaters that generally require live or frozen meaty foods like bloodworms.
Fire Eel
Mastacembelus erythrotaenia
The Fire Eel is a stunning, large species of spiny eel native to Southeast Asia, known for its brilliant red lateral stripes and highly interactive, 'dog-like' personality with owners. As a true 'monster fish', it requires massive aquariums. A soft sand substrate is absolutely mandatory, as they will burrow and suffer lethal bacterial infections from scratching themselves on gravel. They are notorious escape artists and will eat any fish small enough to fit in their mouths.
Half Banded Spiny Eel
Macrognathus circumcinctus
A fascinating, peaceful bottom-dweller with a pointed snout and distinct banding. Like all spiny eels, they are notorious escape artists and require a tightly fitting lid. A soft sand substrate is absolutely mandatory to prevent skin abrasions and subsequent bacterial infections when they burrow. They are nocturnal micropredators that will hunt small shrimp and fry, but remain peaceful toward larger tank mates.
Lesser Spiny Eel
Macrognathus aculeatus
A fascinating, elongated bottom-dweller known for its pointed snout. It is primarily nocturnal and spends much of its time buried in the substrate. While peaceful with fish too large to eat, it is an opportunistic predator that will consume small fish, shrimp, and fry. A soft sand substrate is absolutely mandatory to prevent severe bacterial skin infections from burrowing.
Zebra Oto
Otocinclus cocama
A strikingly patterned, highly sought-after nano suckermouth catfish native to Peru. Like other Otocinclus, they are completely peaceful and excellent algae eaters. However, they are notably sensitive to water parameters and require a well-established, mature aquarium with plenty of biofilm, soft algae, and driftwood to thrive. They must be kept in groups to feel secure.
Zebra Shovelnose (Tigrinus Catfish)
Brachyplatystoma tigrinum
A striking and highly sought-after predatory catfish from the fast-flowing Amazonian rapids. Known for its striking vertical zebra stripes and incredibly long dorsal fin streamer. They are a 'monster fish' requiring massive enclosures, pristine water, and extreme oxygenation. They are very sensitive to poor water quality.