Can Aequidens sp. Atabapo and Spotfin Goby Cichlid Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Aequidens sp. Atabapo and Spotfin Goby Cichlid 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

Spotfin Goby Cichlid

Tanganicodus irsacae

🐠Family Group
Aequidens sp. Atabapo
Cichlids - South American
Spotfin Goby Cichlid
Cichlids - African
Temperament
Aequidens sp. Atabapo
Semi-Aggressive (6/10)
Spotfin Goby Cichlid
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Aequidens sp. Atabapo
25–29°C
Spotfin Goby Cichlid
24–27°C
pH Range
✗ No overlap
Aequidens sp. Atabapo
4.5–7
Spotfin Goby Cichlid
8–9
Hardness (dGH)
✗ No overlap
Aequidens sp. Atabapo
1–8
Spotfin Goby Cichlid
10–25
Water Type
✓ Compatible
Aequidens sp. Atabapo
Freshwater Only
Spotfin Goby Cichlid
Freshwater Only
Flow Preference
✗ No overlap
Aequidens sp. Atabapo
Low
Spotfin Goby Cichlid
High
Min Tank Volume
Combined: 110 L
Aequidens sp. Atabapo
110 L
Spotfin Goby Cichlid
75 L
Swimming Level
Shared: 1 zone
Aequidens sp. Atabapo
MiddleBottom
Spotfin Goby Cichlid
Bottom
🏷️Behavior Tags
Aequidens sp. Atabapo
Territorial (Defends specific area)Digger (Disturbs Substrate)Aggressive to same species/look-alikesShrimp EaterFry PredatorPlant Destroyer
Spotfin Goby Cichlid
Territorial (Defends specific area)Aggressive to same species/look-alikes
Stocking calculator

Can your tank handle Aequidens sp. Atabapo and Spotfin Goby Cichlid?

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
Spotfin Goby Cichlid
Test both in my tank

Behaviour & Temperament

Both Aequidens sp. Atabapo and Spotfin Goby Cichlid 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 Spotfin Goby Cichlid 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.

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 27°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

The pH requirements of Aequidens sp. Atabapo (4.5–7) and Spotfin Goby Cichlid (8–9) do not overlap, making it impossible to satisfy both species simultaneously.

Hardness requirements are incompatible: Aequidens sp. Atabapo needs 1–8 dGH while Spotfin Goby Cichlid requires 10–25 dGH.

Tank Setup

To house Aequidens sp. Atabapo and Spotfin Goby Cichlid together, plan for an aquarium of at least 110 litres with a minimum length of 90 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, Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

Aequidens sp. Atabapo prefers Low (Still Water) flow while Spotfin Goby Cichlid needs High (River/Stream) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.

Why This Pairing Usually Fails in Practice

Aequidens sp. Atabapo and Spotfin Goby Cichlid 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 Spotfin Goby Cichlid.

Show 10 more tank sizes

Frequently Asked Questions

Can Aequidens sp. Atabapo and Spotfin Goby Cichlid 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 Spotfin Goby Cichlid need?

A minimum of 110 litres (tank length at least 90 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 Spotfin Goby Cichlid together?

Keep the aquarium between 25°C and 27°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Aequidens sp. Atabapo or Spotfin Goby Cichlid aggressive?

Aequidens sp. Atabapo is moderately assertive (6/10) and Spotfin Goby Cichlid is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Aequidens sp. Atabapo and Spotfin Goby Cichlid need?

Their pH requirements do not overlap. Aequidens sp. Atabapo prefers 4.5–7, while Spotfin Goby Cichlid needs 8–9. 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 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

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