Can Delhezi Bichir (Armored Bichir) and Motoro Stingray Live Together?

Possible with Caution

Keeping Delhezi Bichir (Armored Bichir) and Motoro Stingray together is possible but requires caution due to mismatched flow preferences. Provide a spacious tank of at least 750 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Delhezi Bichir (Armored Bichir)

Polypterus delhezi

Motoro Stingray

Potamotrygon motoro

🐟Family Group
Delhezi Bichir (Armored Bichir)
Oddballs
Motoro Stingray
Oddballs
Temperament
Delhezi Bichir (Armored Bichir)
Semi-Aggressive (6/10)
Motoro Stingray
Semi-Aggressive (5/10)
Temperature
✓ Compatible
Delhezi Bichir (Armored Bichir)
24–30°C
Motoro Stingray
24–28°C
pH Range
✓ Compatible
Delhezi Bichir (Armored Bichir)
6–8
Motoro Stingray
6–7.5
Hardness (dGH)
✓ Compatible
Delhezi Bichir (Armored Bichir)
5–20
Motoro Stingray
2–10
Water Type
✓ Compatible
Delhezi Bichir (Armored Bichir)
Freshwater Only
Motoro Stingray
Freshwater Only
Flow Preference
✗ No overlap
Delhezi Bichir (Armored Bichir)
Low
Motoro Stingray
High
Min Tank Volume
Combined: 750 L
Delhezi Bichir (Armored Bichir)
280 L
Motoro Stingray
750 L
Swimming Level
Shared: 1 zone
Delhezi Bichir (Armored Bichir)
Bottom
Motoro Stingray
Bottom
🏷️Behavior Tags
Delhezi Bichir (Armored Bichir)
Piscivore (Eats small/nano fish)Shrimp EaterJumper (Lid Required)Nocturnal
Motoro Stingray
Piscivore (Eats small/nano fish)Shrimp EaterSnail EaterFry PredatorDigger (Disturbs Substrate)
Stocking calculator

Can your tank handle Delhezi Bichir (Armored Bichir) and Motoro Stingray?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

Delhezi Bichir (Armored Bichir)
Motoro Stingray
Test both in my tank

Behaviour & Temperament

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

Delhezi Bichir (Armored Bichir) and Motoro Stingray 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: Delhezi Bichir (Armored Bichir) is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Delhezi Bichir (Armored Bichir) 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 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 Delhezi Bichir (Armored Bichir) and Motoro Stingray together, plan for an aquarium of at least 750 litres with a minimum length of 180 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

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.

Delhezi Bichir (Armored Bichir) prefers Low (Still Water) flow while Motoro Stingray needs High (River/Stream) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.

Frequently Asked Questions

Can Delhezi Bichir (Armored Bichir) and Motoro Stingray live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 750 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Delhezi Bichir (Armored Bichir) and Motoro Stingray need?

A minimum of 750 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 Delhezi Bichir (Armored Bichir) and Motoro Stingray 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 Delhezi Bichir (Armored Bichir) or Motoro Stingray aggressive?

Delhezi Bichir (Armored Bichir) is moderately assertive (6/10) and Motoro Stingray is moderately assertive (5/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Delhezi Bichir (Armored Bichir) and Motoro Stingray need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Does Delhezi Bichir (Armored Bichir) being nocturnal affect compatibility?

Delhezi Bichir (Armored Bichir) 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 Delhezi Bichir (Armored Bichir) during evening hours.


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