They are found in salt water, fresh water, and on land. The brown garden snail is edible and found on menus as escargot.

Incredibly, the UK is home to the largest land slug in the world – the ash-black slug. Despite its name, they come in all different colours, from toffee-blonde to brown and deep charcoal.

Arion vulgaris is sometimes called Arion lusitanicus, or simply the Spanish slug. It can also be reddish-brown or yellow. It is a hermaphrodite, meaning each slug carries both male and female sex ...