Can Bladder Snail (Pest Snail) and Clown Loach Live Together?

🟢Ideal Tank Mates

Yes, Bladder Snail (Pest Snail) and Clown Loach 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 600 litres is recommended.


At a Glance

Bladder Snail (Pest Snail)

Physella acuta

Clown Loach

Chromobotia macracanthus

🐠Family Group
Bladder Snail (Pest Snail)
Invertebrates
Clown Loach
Loaches
Temperament
Bladder Snail (Pest Snail)
Peaceful (0/10)
Clown Loach
Peaceful (2/10)
Temperature
✓ Compatible
Bladder Snail (Pest Snail)
10–30°C
Clown Loach
25–30°C
pH Range
✓ Compatible
Bladder Snail (Pest Snail)
6–8.5
Clown Loach
6–7.5
Hardness (dGH)
✓ Compatible
Bladder Snail (Pest Snail)
4–20
Clown Loach
5–12
Water Type
✓ Compatible
Bladder Snail (Pest Snail)
Freshwater Only
Clown Loach
Freshwater Only
Flow Preference
✓ Compatible
Bladder Snail (Pest Snail)
Low
Clown Loach
Moderate
Min Tank Volume
Combined: 600 L
Bladder Snail (Pest Snail)
2 L
Clown Loach
500 L
Swimming Level
Shared: 1 zone
Bladder Snail (Pest Snail)
TopMiddleBottom
Clown Loach
Bottom
🏷️Behavior Tags
Bladder Snail (Pest Snail)
Nano / Bite-sized (Predation Risk)Hyperactive / Fast Swimmer
Clown Loach
Snail EaterHyperactive / Fast SwimmerAggressive Eater (Starves shy fish)Digger (Disturbs Substrate)Nocturnal

Behaviour & Temperament

Bladder Snail (Pest Snail) is a peaceful species (0/10), while Clown Loach is peaceful (2/10). This modest difference means Clown Loach may occasionally assert dominance over Bladder Snail (Pest Snail).

Bladder Snail (Pest Snail) and Clown Loach 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: Clown Loach 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 25°C and 30°C. Aim for the midpoint of this range (around 27.5°C) for optimal comfort.

Both fish can tolerate a pH between 6 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. An aquarium test kit is recommended for monitoring.

Tank Setup

To house Bladder Snail (Pest Snail) and Clown Loach together, plan for an aquarium of at least 600 litres with a minimum length of 150 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: Established Algae (Otocinclus), Sand (Sifters), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding). 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.

Frequently Asked Questions

Can Bladder Snail (Pest Snail) and Clown Loach live together?

Yes. Bladder Snail (Pest Snail) and Clown Loach are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Bladder Snail (Pest Snail) and Clown Loach need?

A minimum of 600 litres (tank length at least 150 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 Bladder Snail (Pest Snail) and Clown Loach together?

Keep the aquarium between 25°C and 30°C. A target of around 27.5°C sits comfortably within both species' preferred ranges.

Are Bladder Snail (Pest Snail) or Clown Loach aggressive?

Bladder Snail (Pest Snail) is peaceful (0/10) and Clown Loach is peaceful (2/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Bladder Snail (Pest Snail) and Clown Loach need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Does Clown Loach being nocturnal affect compatibility?

Clown Loach 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 Clown Loach during evening hours.


Related Comparisons