Can Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS) Live Together?
Yes, Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS) 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 55 litres is recommended.
At a Glance
Can your tank handle Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS)?
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
Emerald Eye Rasbora is a peaceful species (1/10), while Malaysian Trumpet Snail (MTS) is peaceful (0/10). This modest difference means Emerald Eye Rasbora may occasionally assert dominance over Malaysian Trumpet Snail (MTS).
In terms of spatial distribution, Emerald Eye Rasbora prefers the Top (Surface) and Middle (Open Water) zones, whereas Malaysian Trumpet Snail (MTS) occupies the Bottom (Substrate) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.
Worth noting: Malaysian Trumpet Snail (MTS) is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.
Water Parameters
The safe temperature window for both species falls between 20°C and 26°C. Aim for the midpoint of this range (around 23.0°C) for optimal comfort.
Both fish can tolerate a pH between 7 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 8–10 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS) together, plan for an aquarium of at least 55 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.
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: Plants - Densely covered, Leaf Litter/Blackwater, Sand (Sifters), Soil / Nutrient Rich. Meeting these requirements will help both species thrive.
Both species do well with low (still water) water movement, so a standard filtration setup rated for the tank volume should suffice.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS).
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 Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS) live together?
Yes. Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS) are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.
What size tank do Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS) need?
A minimum of 55 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 Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS) together?
Keep the aquarium between 20°C and 26°C. A target of around 23.0°C sits comfortably within both species' preferred ranges.
Are Emerald Eye Rasbora or Malaysian Trumpet Snail (MTS) aggressive?
Emerald Eye Rasbora is peaceful (1/10) and Malaysian Trumpet Snail (MTS) is peaceful (0/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Emerald Eye Rasbora and Malaysian Trumpet Snail (MTS) need?
Both species overlap in the 7–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
Does Malaysian Trumpet Snail (MTS) being nocturnal affect compatibility?
Malaysian Trumpet Snail (MTS) 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 Malaysian Trumpet Snail (MTS) during evening hours.
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