Can Golden Wonder Killifish and Malaysian Trumpet Snail (MTS) Live Together?
Golden Wonder Killifish and Malaysian Trumpet Snail (MTS) are not recommended as tank mates due to piscivorous fish will prey on nano-sized tank mates.. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.
At a Glance
Behaviour & Temperament
Golden Wonder Killifish is a moderately assertive species (6/10), while Malaysian Trumpet Snail (MTS) is peaceful (0/10). This notable difference means Golden Wonder Killifish may occasionally assert dominance over Malaysian Trumpet Snail (MTS).
Large aggression gap (6 points) between Golden Wonder Killifish and Malaysian Trumpet Snail (MTS) increases stress risk for the more peaceful fish.
In terms of spatial distribution, Golden Wonder Killifish prefers the Top (Surface) zone, 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.
There is a critical concern: the Piscivore (Eats small/nano fish) behaviour of one fish directly conflicts with the Nano / Bite-sized (Predation Risk) trait of the other — piscivorous fish will prey on nano-sized tank mates..
Additional behavioural considerations to keep in mind: Shrimp eaters may also prey on very small nano fish.
Worth noting: Malaysian Trumpet Snail (MTS) is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Golden Wonder Killifish is a known jumper, so a tight-fitting lid is essential.
Water Parameters
The safe temperature window for both species falls between 22°C and 28°C. Aim for the midpoint of this range (around 25.0°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 8–20 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.
Tank Setup
To house Golden Wonder Killifish and Malaysian Trumpet Snail (MTS) 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: Plants - Floating, 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.
Find the right tank equipment
Browse tanks, décor, and equipment suited for this setup.
Diet & Feeding
Feeding time deserves special attention with this pairing. Golden Wonder Killifish is a known shrimp eater and may prey on small invertebrates or nano fish like Malaysian Trumpet Snail (MTS).
Frequently Asked Questions
Can Golden Wonder Killifish and Malaysian Trumpet Snail (MTS) live together?▾
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Golden Wonder Killifish and Malaysian Trumpet Snail (MTS) 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 Golden Wonder Killifish and Malaysian Trumpet Snail (MTS) together?▾
Keep the aquarium between 22°C and 28°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.
Are Golden Wonder Killifish or Malaysian Trumpet Snail (MTS) aggressive?▾
Golden Wonder Killifish is moderately assertive (6/10) and Malaysian Trumpet Snail (MTS) is peaceful (0/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Golden Wonder Killifish 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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