Ramshorn snails (Planorbis corneus) are native freshwater snails named for their distinctive flat, spiral shell that coils like a ram's horn. This pack of 5 gives you a practical starting population for a garden pond or freshwater aquarium, where they will get to work immediately as part of the natural cleanup crew.

Once introduced, ramshorn snails consume algae, decaying plant matter, and organic debris from pond surfaces, rocks, and the water column. They are particularly useful for keeping aquarium glass clear of algae and for processing leftover food and waste before it affects water quality. Healthy ramshorn snails will not damage live plants, making them a safe addition alongside established aquatic planting.

Planorbis corneus is a native UK species, making it a responsible choice for garden ponds without the invasive species concerns associated with some non-native aquatic snails.

• Compatible with peaceful fish species and freshwater shrimp
• Hardy in UK outdoor conditions and tolerant of the temperature fluctuations typical of garden ponds through the seasons

Ramshorn snails are hermaphroditic and can reproduce quickly in food-rich conditions, laying clutches of 3 to 30 eggs that hatch within one to three weeks. Juveniles reach maturity in around four to six weeks. In a pond environment, natural predators and available food tend to keep populations balanced. In aquariums, population growth is best managed by controlling food levels and removing egg clutches if numbers become too high.

They will find most of their food naturally in an established pond or aquarium. If you want to supplement their diet, they can be fed spinach, green lettuce leaves, thin slices of courgette, or algae wafers for aquarium use.

Frequently Asked Questions

Are ramshorn snails suitable for a UK wildlife pond?

Yes. Planorbis corneus is a native UK freshwater species and a natural fit for garden ponds. They contribute to a healthy pond ecosystem by processing decaying matter and algae, and they pose no invasive species risk when introduced to an outdoor pond.

Will ramshorn snails take over my aquarium?

They can multiply quickly in aquariums with plentiful food, as they are hermaphroditic and lay multiple egg clutches. The most effective way to manage population growth is to avoid overfeeding, which reduces the food supply that drives rapid reproduction. Removing egg clutches manually also helps keep numbers in check. In a pond, natural predators and food availability tend to regulate numbers without intervention.

Can ramshorn snails live with fish?

Planorbis corneus can coexist with fish, but their smaller, thinner shell makes them more vulnerable than trapdoor snails. Peaceful, smaller species such as danios, guppies, and neon tetras are unlikely to cause significant losses to an established population. Providing plenty of aquatic planting gives snails shelter and juveniles a better chance of survival. Allowing numbers to establish before introducing fish is the most reliable approach.