Can Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai) Live Together?
Yes, Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai) are ideal tank mates. Both species share compatible water parameters and peaceful temperaments, making them well-suited for a community aquarium. They occupy different areas of the water column, which reduces competition for space. A minimum tank size of 100 litres is recommended.
At a Glance
Can your tank handle Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai)?
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.
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Behaviour & Temperament
Hi Fin Peppered Cory is a peaceful species (2/10), while Neon Green Rasbora (Kubotai) is peaceful (1/10). This modest difference means Hi Fin Peppered Cory may occasionally assert dominance over Neon Green Rasbora (Kubotai).
In terms of spatial distribution, Hi Fin Peppered Cory prefers the Bottom (Substrate) zone, whereas Neon Green Rasbora (Kubotai) occupies the Top (Surface) and Middle (Open Water) zones. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.
Worth noting: Hi Fin Peppered Cory is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Neon Green Rasbora (Kubotai) is a known jumper, so a tight-fitting lid is essential.
Water Parameters
The safe temperature window for both species falls between 20°C and 23°C. Aim for the midpoint of this range (around 21.5°C) for optimal comfort.
Both fish can tolerate a pH between 6 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.
For general hardness, the shared comfort zone is 2–10 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai) together, plan for an aquarium of at least 100 litres with a minimum length of 90 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), Plants - Densely covered, Plants - lighly covered, Leaf Litter/Blackwater. 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.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai).
30 Gallon Breeder
40 Gallon Breeder
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
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Frequently Asked Questions
Can Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai) live together?
Yes. Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai) are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.
What size tank do Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai) need?
A minimum of 100 litres (tank length at least 90 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 Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai) together?
Keep the aquarium between 20°C and 23°C. A target of around 21.5°C sits comfortably within both species' preferred ranges.
Are Hi Fin Peppered Cory or Neon Green Rasbora (Kubotai) aggressive?
Hi Fin Peppered Cory is peaceful (2/10) and Neon Green Rasbora (Kubotai) is peaceful (1/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Hi Fin Peppered Cory and Neon Green Rasbora (Kubotai) need?
Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
Does Hi Fin Peppered Cory being nocturnal affect compatibility?
Hi Fin Peppered Cory is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Hi Fin Peppered Cory during evening hours.
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