How predicting slugs' behaviour is helping farmers and their crops.
A local scientist says the species flock to shallow waters around the island to breed.
Gardeners are being urged not to kill slugs and snails amid a population explosion.
The project aims to reduce reliance on pellet usage by studying slug behaviour.
The carnivorous slug is not native to the UK and was first recorded in South Wales in 2007.
The Herts and Middlesex Wildlife Trust says the scourge of gardeners are "nature's clean-up crew".
Researchers at Harper Adams University are trying to get a better understanding of slug behaviour.
An expert says the discovery of the striking sea creature in a rock pool is amazing.