Can Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid Live Together?
Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid are not recommended as tank mates due to conflicting pH requirements. 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 Espei Rasbora (Lambchop Rasbora) and Intermedius 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
Espei Rasbora (Lambchop Rasbora) is a peaceful species (1/10), while Intermedius Cichlid is moderately assertive (5/10). This notable difference means Intermedius Cichlid may occasionally assert dominance over Espei Rasbora (Lambchop Rasbora).
Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid 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 Espei Rasbora (Lambchop Rasbora) (5.5–7.5) and Intermedius Cichlid (7.6–8.8) do not overlap, making it impossible to satisfy both species simultaneously.
For general hardness, the shared comfort zone is 10–12 dGH. Regular testing will ensure conditions stay within this range.
Tank Setup
To house Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid together, plan for an aquarium of at least 170 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: Plants - Densely covered, Leaf Litter/Blackwater, Sand (Sifters). 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
Espei Rasbora (Lambchop Rasbora) and Intermedius 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 Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid.
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
Frequently Asked Questions
Can Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid need?
A minimum of 170 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 Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid 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 Espei Rasbora (Lambchop Rasbora) or Intermedius Cichlid aggressive?
Espei Rasbora (Lambchop Rasbora) is peaceful (1/10) and Intermedius Cichlid is moderately assertive (5/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Espei Rasbora (Lambchop Rasbora) and Intermedius Cichlid need?
Their pH requirements do not overlap. Espei Rasbora (Lambchop Rasbora) prefers 5.5–7.5, while Intermedius Cichlid needs 7.6–8.8. This makes them incompatible in the same water chemistry.
How do I manage Intermedius Cichlid's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Intermedius Cichlid 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.
Shared setup supplies
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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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