Can Apistogramma panduro and Barred Rainbowfish Live Together?

Not Recommended

Apistogramma panduro and Barred Rainbowfish 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

Apistogramma panduro

Apistogramma panduro

Barred Rainbowfish

Chilatherina fasciata

🐠Family Group
Apistogramma panduro
Cichlids - South American
Barred Rainbowfish
Rainbowfish
Temperament
Apistogramma panduro
Semi-Aggressive (6/10)
Barred Rainbowfish
Peaceful (2/10)
Temperature
βœ“ Compatible
Apistogramma panduro
22–28Β°C
Barred Rainbowfish
24–28Β°C
pH Range
βœ— No overlap
Apistogramma panduro
5–6.8
Barred Rainbowfish
7–8.5
Hardness (dGH)
βœ— No overlap
Apistogramma panduro
1–5
Barred Rainbowfish
8–20
Water Type
βœ“ Compatible
Apistogramma panduro
Freshwater Only
Barred Rainbowfish
Freshwater Only
Flow Preference
βœ“ Compatible
Apistogramma panduro
Low
Barred Rainbowfish
Moderate
Min Tank Volume
Combined: 200 L
Apistogramma panduro
60 L
Barred Rainbowfish
200 L
Swimming Level
Shared: 1 zone
Apistogramma panduro
BottomMiddle
Barred Rainbowfish
MiddleTop
🏷️Behavior Tags
Apistogramma panduro
Territorial (Defends specific area)Aggressive to same species/look-alikesFry PredatorShrimp EaterDigger (Disturbs Substrate)Shy / Slow Moving (Easily Stressed)
Barred Rainbowfish
Hyperactive / Fast SwimmerJumper (Lid Required)Aggressive Eater (Starves shy fish)
Stocking calculator

Can your tank handle Apistogramma panduro and Barred Rainbowfish?

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.

Apistogramma panduro
Barred Rainbowfish
Test both in my tank

Behaviour & Temperament

Apistogramma panduro is a moderately assertive species (6/10), while Barred Rainbowfish is peaceful (2/10). This notable difference means Apistogramma panduro may occasionally assert dominance over Barred Rainbowfish.

Apistogramma panduro and Barred Rainbowfish 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. Aggressive eaters may outcompete shy fish for food, leading to malnutrition.

Worth noting: Barred Rainbowfish is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 24Β°C and 28Β°C. Aim for the midpoint of this range (around 26.0Β°C) for optimal comfort.

The pH requirements of Apistogramma panduro (5–6.8) and Barred Rainbowfish (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 Barred Rainbowfish requires 8–20 dGH.

Tank Setup

To house Apistogramma panduro and Barred Rainbowfish 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), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding). 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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Apistogramma panduro and Barred Rainbowfish.

Show 5 more tank sizes

Diet & Feeding

Feeding time deserves special attention with this pairing. Barred Rainbowfish is an aggressive eater that may prevent Apistogramma panduro from getting enough food.

Because Barred Rainbowfish is a fast, competitive feeder, consider using sinking pellets or feeding at opposite ends of the setup to ensure Apistogramma panduro receives an adequate share.

Frequently Asked Questions

Can Apistogramma panduro and Barred Rainbowfish live together?

No. This combination is not recommended. Key incompatibilities β€” such as critical behavioural conflicts β€” make cohabitation unsafe.

What size tank do Apistogramma panduro and Barred Rainbowfish 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 Apistogramma panduro and Barred Rainbowfish together?

Keep the aquarium between 24Β°C and 28Β°C. A target of around 26.0Β°C sits comfortably within both species' preferred ranges.

Are Apistogramma panduro or Barred Rainbowfish aggressive?

Apistogramma panduro is moderately assertive (6/10) and Barred Rainbowfish 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 panduro and Barred Rainbowfish need?

Their pH requirements do not overlap. Apistogramma panduro prefers 5–6.8, while Barred Rainbowfish 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 dΓ©cor that divides the tank into distinct zones works especially well.


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