Can Malaysian Trumpet Snail (MTS) and Molly (Sailfin/Black/Dalmatian) Live Together?
Yes, Malaysian Trumpet Snail (MTS) and Molly (Sailfin/Black/Dalmatian) 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 90 litres is recommended.
At a Glance
Behaviour & Temperament
Malaysian Trumpet Snail (MTS) is a peaceful species (0/10), while Molly (Sailfin/Black/Dalmatian) is generally mild-mannered (3/10). This modest difference means Molly (Sailfin/Black/Dalmatian) may occasionally assert dominance over Malaysian Trumpet Snail (MTS).
In terms of spatial distribution, Malaysian Trumpet Snail (MTS) prefers the Bottom (Substrate) zone, whereas Molly (Sailfin/Black/Dalmatian) 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: 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 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.
Both fish can tolerate a pH between 7.5 and 8.5. Maintaining a stable value within this band is more important than hitting an exact number.
For general hardness, the shared comfort zone is 12–25 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.
Tank Setup
To house Malaysian Trumpet Snail (MTS) and Molly (Sailfin/Black/Dalmatian) together, plan for an aquarium of at least 90 litres with a minimum length of 60 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.
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), Soil / Nutrient Rich, Plants - Densely covered, Established Algae (Otocinclus). 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.
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Frequently Asked Questions
Can Malaysian Trumpet Snail (MTS) and Molly (Sailfin/Black/Dalmatian) live together?▾
Yes. Malaysian Trumpet Snail (MTS) and Molly (Sailfin/Black/Dalmatian) are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.
What size tank do Malaysian Trumpet Snail (MTS) and Molly (Sailfin/Black/Dalmatian) need?▾
A minimum of 90 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 Malaysian Trumpet Snail (MTS) and Molly (Sailfin/Black/Dalmatian) together?▾
Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.
Are Malaysian Trumpet Snail (MTS) or Molly (Sailfin/Black/Dalmatian) aggressive?▾
Malaysian Trumpet Snail (MTS) is peaceful (0/10) and Molly (Sailfin/Black/Dalmatian) is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Malaysian Trumpet Snail (MTS) and Molly (Sailfin/Black/Dalmatian) need?▾
Both species overlap in the 7.5–8.5 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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