Can Apistogramma baenschi (Inca 50) and Convict Cichlid Live Together?
Apistogramma baenschi (Inca 50) and Convict Cichlid are not recommended as tank mates due to 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 baenschi (Inca 50) and Convict 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.
Behaviour & Temperament
Apistogramma baenschi (Inca 50) is a moderately assertive species (5/10), while Convict Cichlid is semi-aggressive (8/10). This modest difference means Convict Cichlid may occasionally assert dominance over Apistogramma baenschi (Inca 50).
Apistogramma baenschi (Inca 50) and Convict 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: Aggressive fish may bully and stress shy, slow-moving species. Two territorial species may clash over territory, especially in smaller tanks.
Water Parameters
The safe temperature window for both species falls between 22°C and 26°C. Aim for the midpoint of this range (around 24.0°C) for optimal comfort.
Both fish can tolerate a pH between 6.5 and 6.5. Maintaining a stable value within this band is more important than hitting an exact number.
Hardness requirements are incompatible: Apistogramma baenschi (Inca 50) needs 1–5 dGH while Convict Cichlid requires 6–20 dGH.
Tank Setup
To house Apistogramma baenschi (Inca 50) and Convict Cichlid together, plan for an aquarium of at least 85 litres with a minimum length of 75 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), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding), Smooth Gravel (Sensitive Barbels). 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 baenschi (Inca 50) and Convict 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 Apistogramma baenschi (Inca 50) and Convict Cichlid.
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
55 Gallon Standard
60 Gallon Breeder
Show 14 more tank sizes
Frequently Asked Questions
Can Apistogramma baenschi (Inca 50) and Convict Cichlid live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Apistogramma baenschi (Inca 50) and Convict Cichlid need?
A minimum of 85 litres (tank length at least 75 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 baenschi (Inca 50) and Convict Cichlid together?
Keep the aquarium between 22°C and 26°C. A target of around 24.0°C sits comfortably within both species' preferred ranges.
Are Apistogramma baenschi (Inca 50) or Convict Cichlid aggressive?
Apistogramma baenschi (Inca 50) is moderately assertive (5/10) and Convict Cichlid is semi-aggressive (8/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Apistogramma baenschi (Inca 50) and Convict Cichlid need?
Both species overlap in the 6.5–6.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
Will Convict Cichlid nip Apistogramma baenschi (Inca 50)'s fins?
Convict Cichlid is a known fin nipper. If Apistogramma baenschi (Inca 50) has long or flowing fins, there is a real risk of fin damage. Keeping Convict Cichlid in a larger group can help redirect nipping behaviour toward conspecifics.
How do I manage Apistogramma baenschi (Inca 50)'s territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Apistogramma baenschi (Inca 50) 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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