Behaviour
How it lives.
These snails are generally peaceful and spend their time grazing on surfaces in the aquarium. They are known to be active during the night and may retreat into their shells if disturbed or during periods of low light.
All fish
Crustacean / Aquarium Zone · Ballina
Coldwater Mystery Snail.
Pomacea diffusa
A peaceful snail, safe with fish, shrimp and plants. Grows to about 5 cm and suits a tank of 40 litres or more.
The fish, up close
More than a beautiful fish.
The Brown Mystery Snail, scientifically known as Pomacea diffusa, is a popular freshwater snail species in the aquarium hobby. These snails have a conical shell with shades of brown, varying from light to dark, and may sometimes have darker bands or spots. They have a pair of tentacles on their head, with one being longer and used for sensing their environment. Brown Mystery Snails are peaceful and efficient algae eaters, making them a beneficial addition to a community tank.
Care guide
Build a better match.
Use these notes to shape a setup around the fish, then speak with our team about the tank you have in mind.
Plan your setupTank planning
Set it up well.
Brown Mystery Snails require a well-established aquarium with stable water parameters. They prefer water temperatures between 20-26°C and a pH level around 7.0-8.0. Providing ample hiding spots and smooth surfaces in the tank is beneficial for their well-being. Regular water changes are essential to maintain good water quality.
Practical details
Plan the space and routine.
- Origin
- Brown Mystery Snails are native to South America.
- Max Size
- 5 cm
- Diet
- Brown Mystery Snails are primarily herbivores and feed on algae, detritus, and leftover fish food in the aquarium. They will also consume blanched vegetables such as zucchini, cucumber, and spinach.
- Tank Recommendation
- A single Brown Mystery Snail can thrive in a tank size of at least 10 litres. For multiple snails or if kept with other tank mates, a larger aquarium of 40 litres or more is recommended to ensure sufficient space and resources.
Questions
Plan before you bring one home.
For a specific fish, current stock or a tank setup question, speak with the Aquarium Zone team before travelling.
Contact the storeIs Coldwater Mystery Snail available at Aquarium Zone in Ballina?
Aquarium Zone regularly helps customers find freshwater fish in Ballina and across the Northern Rivers. Stock changes week to week, so contact the store before visiting if you are looking for Coldwater Mystery Snail.
Can Aquarium Zone help me decide if Coldwater Mystery Snail suits my aquarium?
Yes. Bring your tank size, current fish list, setup photos, and any water test results so the team can help with compatibility, stocking, and care advice.
What tank size does Coldwater Mystery Snail need?
Coldwater Mystery Snail is listed with this tank recommendation: A single Brown Mystery Snail can thrive in a tank size of at least 10 litres. For multiple snails or if kept with other tank mates, a larger aquarium of 40 litres or more is recommended to ensure sufficient space and resources. Ask in-store for advice based on your exact setup and tank mates.
Do you serve customers outside Ballina?
Yes. Aquarium Zone serves aquarium hobbyists from Ballina, Lennox Head, Alstonville, Wollongbar, Bangalow, Byron Bay, Lismore, Evans Head, Mullumbimby, Casino and the wider Northern Rivers.
Keep exploring
More fish to consider.
Aquarium Zone / Ballina
Choose with confidence.
Looking for Coldwater Mystery Snail? Contact us to confirm current availability and discuss whether it suits your aquarium before making the trip.
18 Southern Cross DriveBallina NSW 2478
(02) 6686 0002