Mystery Snail

• ExerciseLow

  A calm, unhurried swimmer — peaceful surroundings suit them best.

• GroomingEasy tank upkeep

  No grooming here — steady water quality and routine tank care do it.

• Living spaceNano-tank friendly

  Happy in a small, stable, well-filtered tank.

• Owner experienceGreat first pet

  Forgiving and easy to get started with.

• Commitment1–3 years

  Plan for a long, loving relationship.

Health to watch: Skin conditions · Ich (white spot)

The mystery snail (Pomacea bridgesii, also called P. diffusa) is a peaceful apple snail from the rivers and wetlands of the Amazon basin in Bolivia, Peru and Brazil. Its rounded shell reaches about 5–6.5 cm across, and it lives 1–3 years. Selective breeding has produced gold, blue, ivory, jade and black colour forms. Mystery snails suit a tank of 40 litres or more at 20–28°C with a pH of 7.0–8.0, and, like other snails, need adequate calcium and harder water to maintain a strong shell. They breathe air using a long siphon they extend to the surface, so leave an air gap below the lid. They are peaceful and can be kept with most calm community fish, though puffers and loaches will attack them. They are gentle scavengers that eat algae, biofilm, detritus and leftover food, and generally leave healthy plants alone, appreciating supplements like algae wafers and blanched vegetables. Unlike pest snails they need a male and female to breed, and lay a distinctive pink egg clutch above the waterline, so populations are easy to control. Their main issues are shell erosion and thinning in soft or calcium-poor water, prevented by hard, mineral-rich conditions and a calcium-rich diet.

• How active is a Mystery Snail?

  Low. A calm, unhurried swimmer — peaceful surroundings suit them best.

• How much maintenance does a Mystery Snail need?

  Easy tank upkeep. No grooming here — steady water quality and routine tank care do it.

• What tank size does a Mystery Snail need?

  Nano-tank friendly. Happy in a small, stable, well-filtered tank.

• Is a Mystery Snail a good fit for first-time owners?

  Great first pet. Forgiving and easy to get started with.

• How long do Mystery Snail live?

  1–3 years. Plan for a long, loving relationship.

• What health issues affect the Mystery Snail?

  Keep an eye out for Skin conditions, Ich (white spot). These are worth raising with your vet, along with any screening they recommend.

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