Konrad Wothe / Giant snail (Megalobulimus) in a lowland rainforest, Panguana Reserve, Huanuco Region, Peru.

Ammonite / Close up of a Common snail (Cornu aspersum) moving, with Woodlice (Oniscidea). Controlled conditions.

Ingo Arndt / Land snail / Brown-lipped snail (Cepaea nemoralis) crawling over a razor blade. The constantly produced mucus is a protection shield between the sole of the snail and the razor blade whilst the snail...

Ingo Arndt / Land snails (Polymita picta) shells, Cuba. Endemic species.

Ingo Arndt / Land snail (Polymita picta) collection of shells showing variation in patterning, Cuba. Endemic species.

Nigel Cattlin / Spanish slug (Arion vulgaris) with closed pneumostome on grass, light grey colour variation. Berkshire, England, UK. August.

Nigel Cattlin / Spanish slug (Arion vulgaris) on grass, tan colour variation. Berkshire, England, UK. August.

Cyril Ruoso / Edible snail / Escargot (Helix pomatia) in woodland. Yonne, Bourgogne-Franche-Comte, France. April.

Cyril Ruoso / Black slug (Arion ater) eating Cuckooflower (Cardamine pratensis), close up. Yonne, Bourgogne-Franche-Comte, France. April.

Yashpal Rathore / Indrella ampulla,a large land snail in forest, Western Ghats, India.

Nigel Cattlin / Common garden slug (Arion distinctus) with eggs on leaf litter and ground.

Konrad Wothe / Leopard slug (Limax maximus) Bavaria, Germany, July.