Can Agassiz Cory and Loricaria lundbergi Live Together?
Keeping Agassiz Cory and Loricaria lundbergi together is possible but requires caution due to potential behavioral clashes. Provide a spacious tank of at least 110 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 Loricaria lundbergi?
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 Loricaria lundbergi is peaceful (1/10). This modest difference means Loricaria lundbergi may occasionally assert dominance over Agassiz Cory.
Agassiz Cory and Loricaria lundbergi 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.
Worth noting: Loricaria lundbergi is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.
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 25°C and 27°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.
Both fish can tolerate a pH between 6 and 7. 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 Agassiz Cory and Loricaria lundbergi together, plan for an aquarium of at least 110 litres with a minimum length of 80 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), Driftwood (Digestion/Hiding), 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 Agassiz Cory and Loricaria lundbergi.
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 Agassiz Cory and Loricaria lundbergi live together?
They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 110 litres), plenty of hiding spots, and watch for signs of stress or aggression.
What size tank do Agassiz Cory and Loricaria lundbergi need?
A minimum of 110 litres (tank length at least 80 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 Loricaria lundbergi together?
Keep the aquarium between 25°C and 27°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.
Are Agassiz Cory or Loricaria lundbergi aggressive?
Agassiz Cory is peaceful (0/10) and Loricaria lundbergi is peaceful (1/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Agassiz Cory and Loricaria lundbergi need?
Both species overlap in the 6–7 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
Does Loricaria lundbergi being nocturnal affect compatibility?
Loricaria lundbergi 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 Loricaria lundbergi during evening hours.
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