Can Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius) Live Together?
Keeping Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius) together is possible but requires caution due to differing aggression levels. Provide a spacious tank of at least 4000 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.
At a Glance
Can your tank handle Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius)?
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
Agassiz Cory is a peaceful species (0/10), while Pangasius nasutus (Long-Nosed Pangasius) is generally mild-mannered (4/10). This notable difference means Pangasius nasutus (Long-Nosed Pangasius) may occasionally assert dominance over Agassiz Cory.
Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius) 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.
Worth noting: Pangasius nasutus (Long-Nosed Pangasius) is a known jumper, so a tight-fitting lid is essential.
To improve the chances of a peaceful coexistence in this community tank: A larger aquarium with ample hiding spots can help diffuse aggression and give the less dominant fish space to retreat.
Water Parameters
The safe temperature window for both species falls between 24°C and 27°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.
Both fish can tolerate a pH between 6.5 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 5–15 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius) together, plan for an aquarium of at least 4000 litres with a minimum length of 300 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.
Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.
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.
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Frequently Asked Questions
Can Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius) live together?
They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 4000 litres), plenty of hiding spots, and watch for signs of stress or aggression.
What size tank do Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius) need?
A minimum of 4000 litres (tank length at least 300 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 Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius) together?
Keep the aquarium between 24°C and 27°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.
Are Agassiz Cory or Pangasius nasutus (Long-Nosed Pangasius) aggressive?
Agassiz Cory is peaceful (0/10) and Pangasius nasutus (Long-Nosed Pangasius) is generally mild-mannered (4/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Agassiz Cory and Pangasius nasutus (Long-Nosed Pangasius) need?
Both species overlap in the 6.5–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
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