Lymnaea stagnalis is a very well known pond snail. It is also called the Great pond snail.
Just like aquarium snails, they eat algae, plants, bacteria on the rocks, and detritus. Few snails use their mucus to trap random particles to filter them and eat. Very handful of them is carnivores.
Herbivore snails feed on water lettuce, water hyacinth, duckweed, bladderworts, garden vegetables. So it is to be advised to grow vegetables alongside your pond. Cooked vegetables can also feed your snails as a supplement food.
Carnivore snails feed on insects, insect larvae, worms, and the prey that are naturally on the wall of your pond. They also eat other snails. Because of this reason, they are to be one of the best pest control for your garden.
FYI: Higher the temperature, the higher they eat food. So during summer, you must provide them outside food supplements.
Food recommendations for freshwater POND snails (Herbivore):
- Lettuce, Cucumbers, Zucchini, Kale
- Berries and berry leaves
- Aquatic freshwater plants: anacharis, floating weeds, water hyacinth
- Naturally-forming macroalgae
- Benthic microalgae and cyanobacteria
- Large-leaf foliage
- Terrestrial flowers
Food recommendations for freshwater POND snails (Carnivore):
- Bloodworms
- Brine shrimp
- Feeder snails
- Water fleas