Can Apistogramma panduro and Red Dwarf Rasbora Live Together?
Apistogramma panduro and Red Dwarf Rasbora 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 panduro and Red Dwarf Rasbora?
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 panduro is a moderately assertive species (6/10), while Red Dwarf Rasbora is peaceful (1/10). This notable difference means Apistogramma panduro may occasionally assert dominance over Red Dwarf Rasbora.
Apistogramma panduro and Red Dwarf Rasbora 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.
Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion. Shrimp eaters may also prey on very small nano fish.
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.
The pH requirements of Apistogramma panduro (5–6.8) and Red Dwarf Rasbora (7–8.5) do not overlap, making it impossible to satisfy both species simultaneously.
Hardness requirements are incompatible: Apistogramma panduro needs 1–5 dGH while Red Dwarf Rasbora requires 8–20 dGH.
Tank Setup
To house Apistogramma panduro and Red Dwarf Rasbora together, plan for an aquarium of at least 60 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), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding), Plants - Densely covered. 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 panduro and Red Dwarf Rasbora 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 panduro and Red Dwarf Rasbora.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
Show 19 more tank sizes
Diet & Feeding
Feeding time deserves special attention with this pairing. Apistogramma panduro is a known shrimp eater and may prey on small invertebrates or nano fish like Red Dwarf Rasbora.
Frequently Asked Questions
Can Apistogramma panduro and Red Dwarf Rasbora live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Apistogramma panduro and Red Dwarf Rasbora need?
A minimum of 60 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 panduro and Red Dwarf Rasbora 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 panduro or Red Dwarf Rasbora aggressive?
Apistogramma panduro is moderately assertive (6/10) and Red Dwarf Rasbora is peaceful (1/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Apistogramma panduro and Red Dwarf Rasbora need?
Their pH requirements do not overlap. Apistogramma panduro prefers 5–6.8, while Red Dwarf Rasbora needs 7–8.5. This makes them incompatible in the same water chemistry.
How do I manage Apistogramma panduro's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Apistogramma panduro 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 11, 2026
- Last updated
- May 11, 2026
- Issues or corrections?
- Contact the editorial team
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