Can Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia Live Together?
Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia 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
Can your tank handle Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia?
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.
Behaviour & Temperament
Apistogramma Mouthbrooder (Maulbrüter) is a moderately assertive species (6/10), while Humpbacked Limia is peaceful (2/10). This notable difference means Apistogramma Mouthbrooder (Maulbrüter) may occasionally assert dominance over Humpbacked Limia.
Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia both frequent the Middle (Open Water) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.
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.
The pH requirements of Apistogramma Mouthbrooder (Maulbrüter) (4.5–6.8) and Humpbacked Limia (7.2–8.5) do not overlap, making it impossible to satisfy both species simultaneously.
Hardness requirements are incompatible: Apistogramma Mouthbrooder (Maulbrüter) needs 1–8 dGH while Humpbacked Limia requires 10–25 dGH.
Tank Setup
To house Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia together, plan for an aquarium of at least 75 litres with a minimum length of 60 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, Plants - Densely covered, Established Algae (Otocinclus). 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
Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia 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 Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
Show 17 more tank sizes
Frequently Asked Questions
Can Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia need?
A minimum of 75 litres (tank length at least 60 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 Humpbacked Limia 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 Apistogramma Mouthbrooder (Maulbrüter) or Humpbacked Limia aggressive?
Apistogramma Mouthbrooder (Maulbrüter) is moderately assertive (6/10) and Humpbacked Limia is peaceful (2/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Apistogramma Mouthbrooder (Maulbrüter) and Humpbacked Limia need?
Their pH requirements do not overlap. Apistogramma Mouthbrooder (Maulbrüter) prefers 4.5–6.8, while Humpbacked Limia needs 7.2–8.5. This makes them incompatible in the same water chemistry.
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.
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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- May 6, 2026
- Last updated
- May 6, 2026
- Issues or corrections?
- Contact the editorial team
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