These algae-eating pond snails promote a balanced eco-system.Algae Eating Black Japanese Trapdoor Pond Snails, 20 Pack. Keeps Algae Under Control. Promotes Balanced Ecosystem. Non-Invasive Compared to Other Snails.
Trapdoor Pond Snails (Viviparus malleatus) are the preferred snail species for pond owners. Trapdoor Snails will survive in northern climates, will not eat live healthy plant tissue, and will not climb out of the water. Pond snails are helpful in keeping algae under control in your pond .
The Good: Why Pond Snails Can Be Beneficial. Pond snails offer a number of advantages to your pond's health: Algae Control: Many pond snails are herbivores, meaning they feed on algae. This helps to keep your pond clean and prevents unsightly algae blooms.

Guide to pond snails, pond snail facts, and whether snails are good or bad for ponds. Information on pond snail species, pictures, benefits, and control methods in ponds.
Pond snails will graze on various types of soft algae, detritus, decaying organic matter, and some soft-leaved plants. They will also feed on any leftover fish food that makes it to the bottom of the pond, as well as enjoying green leafy vegetables when offered occasionally.

Snails used to be celebrated for algae and Blanketweed control; but this role has been taken over by UV bulbs in filters. Often, snails will get access to your pond without encouragement. They may hitchhike on turtles, pets or on new plants.