Snails and slugs belong to the mollusks despite their shell, which most snail species have. The exact number of snail species is disputed. Estimates range from 43,000 species to 240,000 species. Very often it is assumed that there are about 100,000 species.
|Habitat||Freshwater, saltwater and on land|
|Mode of life||Depending on species solitary or as a group|
|Body length||The smallest species (Ammonicera rota) measures 0.5mm, the largest species (Australian trumpet) measures up to 90cm|
|Diet||Varies depending on species. Among the snails there are herbivores, scavengers and predators.|