The following news is taken from the Fera website
.
The European Food Safety Authority has recently published an opinion http://www.efsa.europa.eu/en/efsajournal/pub/2552.htm
evaluating a Spanish pest risk analysis on Pomacea insularum, the island apple snail [an invasive South American freshwater snail]. The PRA had been prepared in response to the presence of the snail in the Ebro delta of Spain, where it has been causing damage to rice production and the natural environment. As the snail can currently be imported, bred and traded freely, there is the possibility of release into the environment, either intentionally, or accidentally from outdoor aquaria and breeding sites etc.