Can Motoro Stingray and Tire Track Eel Live Together?

🟡Possible with Caution

Keeping Motoro Stingray and Tire Track Eel together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 900 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Motoro Stingray

Potamotrygon motoro

Tire Track Eel

Mastacembelus armatus

🐟Family Group
Motoro Stingray
Oddballs
Tire Track Eel
Oddballs
Temperament
Motoro Stingray
Semi-Aggressive (5/10)
Tire Track Eel
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Motoro Stingray
24–28°C
Tire Track Eel
22–28°C
pH Range
✓ Compatible
Motoro Stingray
6–7.5
Tire Track Eel
6.5–7.5
Hardness (dGH)
✓ Compatible
Motoro Stingray
2–10
Tire Track Eel
5–15
Water Type
✓ Compatible
Motoro Stingray
Freshwater Only
Tire Track Eel
Freshwater Only
Flow Preference
✓ Compatible
Motoro Stingray
High
Tire Track Eel
Moderate
Min Tank Volume
Combined: 900 L
Motoro Stingray
750 L
Tire Track Eel
680 L
Swimming Level
Shared: 1 zone
Motoro Stingray
Bottom
Tire Track Eel
Bottom
🏷️Behavior Tags
Motoro Stingray
Piscivore (Eats small/nano fish)Shrimp EaterSnail EaterFry PredatorDigger (Disturbs Substrate)
Tire Track Eel
Piscivore (Eats small/nano fish)Shrimp EaterDigger (Disturbs Substrate)Jumper (Lid Required)NocturnalAggressive to same species/look-alikes

Behaviour & Temperament

Motoro Stingray is a moderately assertive species (5/10), while Tire Track Eel is moderately assertive (6/10). This modest difference means Tire Track Eel may occasionally assert dominance over Motoro Stingray.

Motoro Stingray and Tire Track Eel both frequent the Bottom (Substrate) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Worth noting: Tire Track Eel is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Tire Track Eel is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Motoro Stingray and Tire Track Eel together, plan for an aquarium of at least 900 litres with a minimum length of 180 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Sand (Sifters), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding). Meeting these requirements will help both species thrive.

Both species do well with high (river/stream) water movement, so a standard filtration setup rated for the tank volume should suffice.

Frequently Asked Questions

Can Motoro Stingray and Tire Track Eel live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 900 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Motoro Stingray and Tire Track Eel need?

A minimum of 900 litres (tank length at least 180 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Motoro Stingray and Tire Track Eel together?

Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Motoro Stingray or Tire Track Eel aggressive?

Motoro Stingray is moderately assertive (5/10) and Tire Track Eel is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Motoro Stingray and Tire Track Eel need?

Both species overlap in the 6.5–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Does Tire Track Eel being nocturnal affect compatibility?

Tire Track Eel is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Tire Track Eel during evening hours.


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