Can Goldfish (Comet / Common) and Malaysian Trumpet Snail (MTS) Live Together?
Yes, Goldfish (Comet / Common) 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. A minimum tank size of 240 litres is recommended.
At a Glance
Behaviour & Temperament
Goldfish (Comet / Common) is a peaceful species (1/10), while Malaysian Trumpet Snail (MTS) is peaceful (0/10). This modest difference means Goldfish (Comet / Common) may occasionally assert dominance over Malaysian Trumpet Snail (MTS).
Goldfish (Comet / Common) and Malaysian Trumpet Snail (MTS) 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: 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 18°C and 24°C. Aim for the midpoint of this range (around 21.0°C) for optimal comfort.
Both fish can tolerate a pH between 7 and 8. Maintaining a stable value within this band is more important than hitting an exact number.
For general hardness, the shared comfort zone is 8–20 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.
Tank Setup
To house Goldfish (Comet / Common) and Malaysian Trumpet Snail (MTS) together, plan for an aquarium of at least 240 litres with a minimum length of 120 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), Smooth Gravel (Sensitive Barbels), Soil / Nutrient Rich. Meeting these requirements will help both species thrive.
Note a potential conflict in setup requirements: Goldfish (Comet / Common) requires Sand (Sifters), while Malaysian Trumpet Snail (MTS) requires Soil / Nutrient Rich. These substrate types may be difficult to provide simultaneously. Goldfish (Comet / Common) requires Smooth Gravel (Sensitive Barbels), while Malaysian Trumpet Snail (MTS) requires Soil / Nutrient Rich. These substrate types may be difficult to provide simultaneously. Compromise where possible or prioritise the more critical need.
Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.
Find the right tank equipment
Browse tanks, décor, and equipment suited for this setup.
Frequently Asked Questions
Can Goldfish (Comet / Common) and Malaysian Trumpet Snail (MTS) live together?▾
Yes. Goldfish (Comet / Common) 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 Goldfish (Comet / Common) and Malaysian Trumpet Snail (MTS) need?▾
A minimum of 240 litres (tank length at least 120 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 Goldfish (Comet / Common) and Malaysian Trumpet Snail (MTS) together?▾
Keep the aquarium between 18°C and 24°C. A target of around 21.0°C sits comfortably within both species' preferred ranges.
Are Goldfish (Comet / Common) or Malaysian Trumpet Snail (MTS) aggressive?▾
Goldfish (Comet / Common) 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 Goldfish (Comet / Common) and Malaysian Trumpet Snail (MTS) need?▾
Both species overlap in the 7–8 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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