Spiny Zebra Eel (3–4”) – an exotic, striped freshwater eel perfect for experienced aquarists. Unique, hardy, and ideal for large, well-decorated aquariums.

The Spiny Zebra Eel (Mastacembelus armatus) is a striking freshwater species known for its elongated body and distinctive zebra-like stripes. At 3–4 inches when sold, this eel can grow significantly larger, making it a spectacular choice for experienced aquarists with spacious tanks.

Native to rivers and streams across Asia, this species is admired for its exotic appearance and burrowing behavior. While generally peaceful, it prefers a well-structured aquarium with plenty of hiding spots.

✅ Key Features

• Size: 3–4” juvenile, grows up to 18–24” as adult

• Temperament: Peaceful but predatory toward very small fish

• Care Level: Moderate to Advanced

• Lifespan: 8–15 years under proper care

• Special Trait: Zebra-like striped pattern and elongated eel body

Care Guide for Spiny Zebra Eel

✅ Tank Requirements

• Minimum Tank Size: 250 liters (65 gallons) for a juvenile; larger for adults

• Aquascape: Provide fine sand substrate for burrowing, smooth rocks, driftwood, and dense vegetation

• Lighting: Dim to moderate

• Cover: A tight-fitting lid is essential as they are escape artists

• Décor Tip: Include caves or PVC tubes for hiding

✅ Water Parameters

• Temperature: 24°C – 28°C (75°F – 82°F)

• pH Level: 6.5 – 7.5

• Water Hardness: 5 – 15 dGH

• Filtration: Strong filtration with moderate water flow; maintain excellent water quality

• Water Changes: 30–40% weekly

Spiny Zebra Eels thrive in clean, well-oxygenated water similar to their natural river habitat.

✅ Feeding Habits

The Spiny Zebra Eel is a carnivorous species, requiring a diet rich in protein.

• Recommended Diet:

  • Live or frozen bloodworms

  • Brine shrimp

  • Small earthworms

  • Chopped seafood (shrimp, fish)

  • High-quality sinking carnivore pellets

Feed at night or during dim lighting as they are more active after dark.

✅ Tank Mates

Spiny Zebra Eels are generally peaceful but will eat fish small enough to fit in their mouths.

Ideal Tank Mates:

• Medium to large peaceful fish (Silver Dollars, Severums, Angelfish)

• Large Barbs and Gouramis

• Catfish species (Plecos, Synodontis)

Avoid: Small tetras, guppies, and shrimp that can be seen as prey.

✅ Behavior & Breeding

• Behavior: Nocturnal and secretive; enjoys burrowing in the substrate

• Breeding: Rare in captivity; requires specialized conditions

Why Choose Spiny Zebra Eel?

• Exotic and unique appearance with zebra stripes

• Hardy and long-lived under proper care

• Ideal for experienced aquarists seeking a showpiece species

• Adds unmatched diversity and movement to a large aquarium

✅ Perfect for large display tanks and advanced fishkeepers
✅ A conversation starter and exotic addition to any freshwater setup