Can Bandit Cory and Frontosa Live Together?
Bandit Cory and Frontosa 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 Bandit Cory and Frontosa?
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
Bandit Cory is a peaceful species (1/10), while Frontosa is moderately assertive (5/10). This notable difference means Frontosa may occasionally assert dominance over Bandit Cory.
Bandit Cory and Frontosa 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: Hyperactive swimmers can stress shy, slow-moving species through constant motion.
Water Parameters
The safe temperature window for both species falls between 23°C and 26°C. Aim for the midpoint of this range (around 24.5°C) for optimal comfort.
The pH requirements of Bandit Cory (6–7.5) and Frontosa (8–9) do not overlap, making it impossible to satisfy both species simultaneously.
For general hardness, the shared comfort zone is 12–15 dGH. Regular testing will ensure conditions stay within this range.
Tank Setup
To house Bandit Cory and Frontosa together, plan for an aquarium of at least 579 litres with a minimum length of 180 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). 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
Bandit Cory and Frontosa 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 Bandit Cory and Frontosa.
Frequently Asked Questions
Can Bandit Cory and Frontosa live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Bandit Cory and Frontosa need?
A minimum of 579 litres (tank length at least 180 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 Bandit Cory and Frontosa together?
Keep the aquarium between 23°C and 26°C. A target of around 24.5°C sits comfortably within both species' preferred ranges.
Are Bandit Cory or Frontosa aggressive?
Bandit Cory is peaceful (1/10) and Frontosa 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 Bandit Cory and Frontosa need?
Their pH requirements do not overlap. Bandit Cory prefers 6–7.5, while Frontosa needs 8–9. This makes them incompatible in the same water chemistry.
How do I manage Frontosa's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Frontosa 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
- April 30, 2026
- Last updated
- April 30, 2026
- Issues or corrections?
- Contact the editorial team
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