Molluscs in Derry

Frequently Asked Questions

What are the 10 most common molluscs in Derry?

The 10 most common molluscs in Derry are:

1. Garden Snail (Cornu aspersum)
2. Brown-lipped Snail (Cepaea nemoralis)
3. Leopard Slug (Limax maximus)
4. Black Slug (Arion ater)
5. Tree slug (Lehmannia marginata)

What is the most observed mollusc in Derry?

The most observed mollusc in Derry is Garden Snail (Cornu aspersum), with 23 recorded observations.