A Single Refuge in Wales
The glutinous snail, known scientifically as Myxas glutinosa, now exists in the wild within only one lake in the United Kingdom. This mollusc, no larger than a human fingertip, maintains a precarious hold on survival at Llyn Tegid in Eryri National Park. Conservationists view the snail as a vital indicator of healthy aquatic ecosystems, yet the species has vanished from the rest of the country due to habitat loss and water pollution. Its shell, flecked with gold spots and covered by a translucent mantle, makes it a unique target for preservation efforts.
Ian Hughes, a conservationist based in Llanarth, began his work with the species in 2014 under a license from Natural Resources Wales. Hughes constructed concrete shelters to protect the snails within the lake itself and successfully established a captive breeding colony in a greenhouse at his home. He describes the snail with an intensity usually reserved for historical artifacts, noting that the creature deserves protection as much as any antiquity. His efforts eventually led to the first recorded observation of their eggs, a breakthrough that helped ensure the survival of his garden population.
Scaling the Rescue Effort
The breeding program has transformed into a family project, with Hughes joined by his wife, Kerry, and their sons, Jake, George, and Ben. Working in freezing conditions during winter months, the family has expanded their efforts to secure the future of the species. They now coordinate with the British and Irish Association of Zoos and Aquariums to distribute these snails to professional facilities across England. This transition aims to prevent the risk associated with relying on a single geographic location for the entire species.
Several institutions, including Wingham Wildlife Park in Kent, Dudley Zoo, and Askham Bryan Wildlife Park in York, have established new habitats to house these snails. Samantha Eden, an assistant curator at Wingham Wildlife Park, recently transported 24 specimens to start a new breeding line. These zoos conduct research on the snails’ genetics and environmental requirements, creating a data set that will inform future reintroduction strategies. The Freshwater Habitats Trust is already searching for suitable, clean water bodies for potential release.
Future Prospects for the Species
This initiative forms part of a broader, 60-million-pound UK government project dedicated to protecting rare invertebrates. Nicky Needham, who manages species conservation at the BIAZA, notes that the goal is to build enough scientific understanding to return the snails to wild habitats within three years. While the climate continues to change, the current strategy focuses on diversifying the locations where these animals thrive. The work remains arduous, relying on precise captive husbandry and rigorous monitoring.
Local authorities at Eryri National Park express pride in hosting the last natural refuge for the snail. Still, officials acknowledge the high stakes involved in managing such a small population. For the Hughes family, the objective remains clear. They aim to prevent the total loss of a species they consider an essential cog in the natural machine. By transferring custody of the snails to multiple experts, they hope to ensure that the glutinous snail survives well beyond their own involvement.