Can Aequidens sp. Atabapo and Three-Spot Torpedo Hap Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Not Recommended

Aequidens sp. Atabapo and Three-Spot Torpedo Hap are not recommended as tank mates due to conflicting pH requirements and incompatible hardness ranges. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Aequidens sp. Atabapo

Aequidens sp. Atabapo

Three-Spot Torpedo Hap

Exochochromis anagenys

🐠Family Group
Aequidens sp. Atabapo
Cichlids - South American
Three-Spot Torpedo Hap
Cichlids - African
Temperament
Aequidens sp. Atabapo
Semi-Aggressive (6/10)
Three-Spot Torpedo Hap
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Aequidens sp. Atabapo
25–29°C
Three-Spot Torpedo Hap
23–28°C
pH Range
✗ No overlap
Aequidens sp. Atabapo
4.5–7
Three-Spot Torpedo Hap
7.5–8.6
Hardness (dGH)
✗ No overlap
Aequidens sp. Atabapo
1–8
Three-Spot Torpedo Hap
10–25
Water Type
✓ Compatible
Aequidens sp. Atabapo
Freshwater Only
Three-Spot Torpedo Hap
Freshwater Only
Flow Preference
✓ Compatible
Aequidens sp. Atabapo
Low
Three-Spot Torpedo Hap
Moderate
Min Tank Volume
Combined: 570 L
Aequidens sp. Atabapo
110 L
Three-Spot Torpedo Hap
570 L
Swimming Level
Shared: 2 zones
Aequidens sp. Atabapo
MiddleBottom
Three-Spot Torpedo Hap
MiddleBottom
🏷️Behavior Tags
Aequidens sp. Atabapo
Territorial (Defends specific area)Digger (Disturbs Substrate)Aggressive to same species/look-alikesShrimp EaterFry PredatorPlant Destroyer
Three-Spot Torpedo Hap
Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerTerritorial (Defends specific area)
Stocking calculator

Can your tank handle Aequidens sp. Atabapo and Three-Spot Torpedo Hap?

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.

Aequidens sp. Atabapo
Three-Spot Torpedo Hap
Test both in my tank

Behaviour & Temperament

Both Aequidens sp. Atabapo and Three-Spot Torpedo Hap are moderately assertive species with an aggression score of 6/10. Their matching temperaments mean neither fish is likely to dominate the other in a shared aquarium.

Aequidens sp. Atabapo and Three-Spot Torpedo Hap both frequent the Middle (Open Water) and 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.

Additional behavioural considerations to keep in mind: Two territorial species may clash over territory, especially in smaller tanks.

Water Parameters

The safe temperature window for both species falls between 25°C and 28°C. Aim for the midpoint of this range (around 26.5°C) for optimal comfort.

The pH requirements of Aequidens sp. Atabapo (4.5–7) and Three-Spot Torpedo Hap (7.5–8.6) do not overlap, making it impossible to satisfy both species simultaneously.

Hardness requirements are incompatible: Aequidens sp. Atabapo needs 1–8 dGH while Three-Spot Torpedo Hap requires 10–25 dGH.

Tank Setup

To house Aequidens sp. Atabapo and Three-Spot Torpedo Hap together, plan for an aquarium of at least 570 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.

Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.

Specific environmental needs for this combination include: Sand (Sifters), Driftwood (Digestion/Hiding), Leaf Litter/Blackwater. Meeting these requirements will help both species thrive.

Both species do well with low (still water) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Aequidens sp. Atabapo and Three-Spot Torpedo Hap are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Aequidens sp. Atabapo and Three-Spot Torpedo Hap.

Frequently Asked Questions

Can Aequidens sp. Atabapo and Three-Spot Torpedo Hap live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Aequidens sp. Atabapo and Three-Spot Torpedo Hap need?

A minimum of 570 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 Aequidens sp. Atabapo and Three-Spot Torpedo Hap together?

Keep the aquarium between 25°C and 28°C. A target of around 26.5°C sits comfortably within both species' preferred ranges.

Are Aequidens sp. Atabapo or Three-Spot Torpedo Hap aggressive?

Aequidens sp. Atabapo is moderately assertive (6/10) and Three-Spot Torpedo Hap is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Aequidens sp. Atabapo and Three-Spot Torpedo Hap need?

Their pH requirements do not overlap. Aequidens sp. Atabapo prefers 4.5–7, while Three-Spot Torpedo Hap needs 7.5–8.6. This makes them incompatible in the same water chemistry.

How do I manage Aequidens sp. Atabapo's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Aequidens sp. Atabapo space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 4, 2026
Last updated
May 4, 2026
Issues or corrections?
Contact the editorial team

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