The rule on release and escape
Section 14 of the Wildlife and Countryside Act 1981 covers animals that are not ordinarily resident in Great Britain. Government guidance states that releasing or allowing such an animal to escape into the wild is an offence.
‘The wild’ includes natural and semi-natural rural and urban environments. Government guidance notes that even a garden or similar private area may count where there is no reasonable barrier preventing escape into the wider environment.
What responsible containment means
Keep snails in a secure artificial enclosure with a fitted lid. Check vents, cable openings and damaged clips. Do not put a snail outside for exercise, dispose of live animals or viable eggs in garden waste, or leave an unwanted snail where it could escape.
If you can no longer keep an animal, contact the breeder, a knowledgeable keeper, an appropriate rescue or an exotics vet.
Ownership and sale depend on the exact species
There is no useful legal answer based only on the common label ‘African land snail’. Rules can depend on the scientific species, how it was obtained, where in the UK you live, and whether import or transport is involved.
Before buying, selling, importing or moving an unfamiliar species, check current government guidance and obtain specialist advice where necessary. Do not assume that another seller’s advert proves an activity is lawful.
England, Wales, Scotland and Northern Ireland
The Wildlife and Countryside Act framework discussed here applies in Great Britain, but administration and additional rules differ across the nations. GOV.UK directs enquiries about non-native releases to Natural England, Natural Resources Wales, NatureScot or DAERA as appropriate.
This article is a general starting point, not legal advice. Check current official guidance before acting, especially if importing animals or dealing with a species subject to additional controls.
Good to know: Royal Snails does not support releasing any captive African land snail, egg or offspring outdoors.