Trapdoor Snails | Viviparus viviparus Pick yours:15 Trapdoor Snails Hollies make great festive decorations

Hollies make great festive decorations for the Christmas season

Tulip National Velvet (Triumph) - Much admired for its glossy

providing dramatic colour interest

Prunus dulcis provides a wonderful crop of almonds

This striking Japanese maple features rich green leaves

Trapdoor Snails | Viviparus viviparus Pick yours:15 Trapdoor Snails Hollies make great festive decorationsAttractively patterned spiral shells in shades of green and yellow These helpful little snails will eat the algae from the bottom of your pond to help keep it clean. They also feed on dead foliage, plankton and other microdebris as well as excess fish food, preventing fish overfeeding The name 'Trapdoor' is due to their ability to produce an operculum, a tough plate that protects them from predators and prevents dehydration. They can seal themselves