Can Espei Rasbora (Lambchop Rasbora) and Zebra Danio Live Together?
Keeping Espei Rasbora (Lambchop Rasbora) and Zebra Danio together is possible but requires caution due to mismatched flow preferences. Provide a spacious tank of at least 38 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 Espei Rasbora (Lambchop Rasbora) and Zebra Danio?
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
Espei Rasbora (Lambchop Rasbora) is a peaceful species (1/10), while Zebra Danio is generally mild-mannered (3/10). This modest difference means Zebra Danio may occasionally assert dominance over Espei Rasbora (Lambchop Rasbora).
Espei Rasbora (Lambchop Rasbora) and Zebra Danio both frequent the Middle (Open Water) and Top (Surface) 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: Zebra Danio is a known jumper, so a tight-fitting lid is essential.
To improve the chances of a peaceful coexistence in this community tank: Keep fin nippers in larger groups to distribute nipping behaviour among conspecifics rather than tank mates.
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.
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 5–12 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house Espei Rasbora (Lambchop Rasbora) and Zebra Danio together, plan for an aquarium of at least 38 litres with a minimum length of 60 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: Plants - Densely covered, Leaf Litter/Blackwater, Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.
Espei Rasbora (Lambchop Rasbora) prefers Low (Still Water) flow while Zebra Danio needs High (River/Stream) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Espei Rasbora (Lambchop Rasbora) and Zebra Danio.
15 Gallon Standard
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
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Frequently Asked Questions
Can Espei Rasbora (Lambchop Rasbora) and Zebra Danio live together?
They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 38 litres), plenty of hiding spots, and watch for signs of stress or aggression.
What size tank do Espei Rasbora (Lambchop Rasbora) and Zebra Danio need?
A minimum of 38 litres (tank length at least 60 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 Espei Rasbora (Lambchop Rasbora) and Zebra Danio 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 Espei Rasbora (Lambchop Rasbora) or Zebra Danio aggressive?
Espei Rasbora (Lambchop Rasbora) is peaceful (1/10) and Zebra Danio is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Espei Rasbora (Lambchop Rasbora) and Zebra Danio 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.
Will Zebra Danio nip Espei Rasbora (Lambchop Rasbora)'s fins?
Zebra Danio is a known fin nipper. If Espei Rasbora (Lambchop Rasbora) has long or flowing fins, there is a real risk of fin damage. Keeping Zebra Danio in a larger group can help redirect nipping behaviour toward conspecifics.
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