Can Apistogramma Mouthbrooder (Maulbrüter) and Uaru Live Together?

Possible with Caution

Keeping Apistogramma Mouthbrooder (Maulbrüter) and Uaru together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 400 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Apistogramma Mouthbrooder (Maulbrüter)

Apistogramma barlowi

Uaru

Uaru amphiacanthoides

🐟Family Group
Apistogramma Mouthbrooder (Maulbrüter)
Cichlids - South American
Uaru
Cichlids - South American
Temperament
Apistogramma Mouthbrooder (Maulbrüter)
Semi-Aggressive (6/10)
Uaru
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Apistogramma Mouthbrooder (Maulbrüter)
24–28°C
Uaru
27–30°C
pH Range
✓ Compatible
Apistogramma Mouthbrooder (Maulbrüter)
4.5–6.8
Uaru
5–7
Hardness (dGH)
✓ Compatible
Apistogramma Mouthbrooder (Maulbrüter)
1–8
Uaru
1–8
Water Type
✓ Compatible
Apistogramma Mouthbrooder (Maulbrüter)
Freshwater Only
Uaru
Freshwater Only
Flow Preference
✓ Compatible
Apistogramma Mouthbrooder (Maulbrüter)
Low
Uaru
Low
Min Tank Volume
Combined: 400 L
Apistogramma Mouthbrooder (Maulbrüter)
60 L
Uaru
400 L
Swimming Level
Shared: 2 zones
Apistogramma Mouthbrooder (Maulbrüter)
MiddleBottom
Uaru
MiddleBottom
🏷️Behavior Tags
Apistogramma Mouthbrooder (Maulbrüter)
Territorial (Defends specific area)Aggressive to same species/look-alikesShrimp EaterFry PredatorDigger (Disturbs Substrate)
Uaru
Plant DestroyerShy / Slow Moving (Easily Stressed)Shrimp Eater
Stocking calculator

Can your tank handle Apistogramma Mouthbrooder (Maulbrüter) and Uaru?

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.

Apistogramma Mouthbrooder (Maulbrüter)
Uaru
Test both in my tank

Behaviour & Temperament

Apistogramma Mouthbrooder (Maulbrüter) is a moderately assertive species (6/10), while Uaru is generally mild-mannered (4/10). This modest difference means Apistogramma Mouthbrooder (Maulbrüter) may occasionally assert dominance over Uaru.

Apistogramma Mouthbrooder (Maulbrüter) and Uaru 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.

To improve the chances of a peaceful coexistence in this community tank: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both Apistogramma Mouthbrooder (Maulbrüter) and Uaru to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations.

Water Parameters

The safe temperature window for both species falls between 27°C and 28°C. Aim for the midpoint of this range (around 27.5°C) for optimal comfort.

Both fish can tolerate a pH between 5 and 6.8. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 1–8 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Apistogramma Mouthbrooder (Maulbrüter) and Uaru together, plan for an aquarium of at least 400 litres with a minimum length of 150 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), 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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Apistogramma Mouthbrooder (Maulbrüter) and Uaru.

Frequently Asked Questions

Can Apistogramma Mouthbrooder (Maulbrüter) and Uaru live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 400 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Apistogramma Mouthbrooder (Maulbrüter) and Uaru need?

A minimum of 400 litres (tank length at least 150 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 Apistogramma Mouthbrooder (Maulbrüter) and Uaru together?

Keep the aquarium between 27°C and 28°C. A target of around 27.5°C sits comfortably within both species' preferred ranges.

Are Apistogramma Mouthbrooder (Maulbrüter) or Uaru aggressive?

Apistogramma Mouthbrooder (Maulbrüter) is moderately assertive (6/10) and Uaru is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Apistogramma Mouthbrooder (Maulbrüter) and Uaru need?

Both species overlap in the 5–6.8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Apistogramma Mouthbrooder (Maulbrüter)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Apistogramma Mouthbrooder (Maulbrüter) 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.


Related Comparisons

Apistogramma Mouthbrooder (Maulbrüter) & Aequidens diadema (Diadem Cichlid)

·

Possible with Caution
Apistogramma Mouthbrooder (Maulbrüter): PeacefulAequidens diadema (Diadem Cichlid): Peaceful

Apistogramma Mouthbrooder (Maulbrüter) & Aequidens sp. Atabapo

·

Possible with Caution
Apistogramma Mouthbrooder (Maulbrüter): PeacefulAequidens sp. Atabapo: Peaceful

Apistogramma Mouthbrooder (Maulbrüter) & Apistogramma Broad-banded

·

Possible with Caution
Apistogramma Mouthbrooder (Maulbrüter): PeacefulApistogramma Broad-banded: Peaceful

Apistogramma Mouthbrooder (Maulbrüter) & Apistogramma macmasteri

·

Possible with Caution
Apistogramma Mouthbrooder (Maulbrüter): PeacefulApistogramma macmasteri: Peaceful

Apistogramma Mouthbrooder (Maulbrüter) & Apistogramma Mamoré

·

Possible with Caution
Apistogramma Mouthbrooder (Maulbrüter): PeacefulApistogramma Mamoré: Peaceful

Apistogramma Mouthbrooder (Maulbrüter) & Apistogramma Orange-tail

·

Possible with Caution
Apistogramma Mouthbrooder (Maulbrüter): PeacefulApistogramma Orange-tail: Peaceful

Uaru & Apistogramma panduro

·

Possible with Caution
Uaru: PeacefulApistogramma panduro: Peaceful

Uaru & Apistogramma Parrot

·

Possible with Caution
Uaru: PeacefulApistogramma Parrot: Peaceful

Uaru & Apistogramma Resticulosa Mamor

·

Possible with Caution
Uaru: PeacefulApistogramma Resticulosa Mamor: Peaceful

Uaru & Black Acara

·

Possible with Caution
Uaru: PeacefulBlack Acara: Peaceful

Uaru & Blue Point Cichlid

·

Possible with Caution
Uaru: PeacefulBlue Point Cichlid: Peaceful

Uaru & Bolivian Ram

·

Possible with Caution
Uaru: PeacefulBolivian Ram: Peaceful