Can Electric Blue Hap and Hongsloi Apistogramma Live Together?
Electric Blue Hap and Hongsloi Apistogramma 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 Electric Blue Hap and Hongsloi Apistogramma?
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
Electric Blue Hap is a semi-aggressive species (7/10), while Hongsloi Apistogramma is moderately assertive (5/10). This modest difference means Electric Blue Hap may occasionally assert dominance over Hongsloi Apistogramma.
Electric Blue Hap and Hongsloi Apistogramma 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: Hyperactive swimmers can stress shy, slow-moving species through constant motion. Two territorial species may clash over territory, especially in smaller tanks.
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 Electric Blue Hap (7.8–8.6) and Hongsloi Apistogramma (5.5–7) do not overlap, making it impossible to satisfy both species simultaneously.
Hardness requirements are incompatible: Electric Blue Hap needs 10–25 dGH while Hongsloi Apistogramma requires 1–8 dGH.
Tank Setup
To house Electric Blue Hap and Hongsloi Apistogramma together, plan for an aquarium of at least 200 litres with a minimum length of 120 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), Smooth Gravel (Sensitive Barbels), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding), Plants - Densely covered. Meeting these requirements will help both species thrive.
Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.
Why This Pairing Usually Fails in Practice
Electric Blue Hap and Hongsloi Apistogramma 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 Electric Blue Hap and Hongsloi Apistogramma.
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
Frequently Asked Questions
Can Electric Blue Hap and Hongsloi Apistogramma live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Electric Blue Hap and Hongsloi Apistogramma need?
A minimum of 200 litres (tank length at least 120 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 Electric Blue Hap and Hongsloi Apistogramma 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 Electric Blue Hap or Hongsloi Apistogramma aggressive?
Electric Blue Hap is semi-aggressive (7/10) and Hongsloi Apistogramma is moderately assertive (5/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Electric Blue Hap and Hongsloi Apistogramma need?
Their pH requirements do not overlap. Electric Blue Hap prefers 7.8–8.6, while Hongsloi Apistogramma needs 5.5–7. This makes them incompatible in the same water chemistry.
How do I manage Electric Blue Hap's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Electric Blue Hap 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 4, 2026
- Last updated
- May 4, 2026
- Issues or corrections?
- Contact the editorial team
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