An invasive species of crayfish has been found dumped in a river in the Lune Valley.
American Signal Crayfish carry the Crayfish Plague, which can wipe out native populations. In this case they were already dead, and it's unlikely the infection's spread.
The Environment Agency's asking walkers to look out for people who could be dumping them into Cumbria's rivers.
Scottish Natural Heritage have released a statement to ITV Border describing the risk of crayfish transfer to silage bales as "very small."
A meeting has been held in Galloway to highlight the impact of non-native crayfish.
The problem has existed at Loch Ken for a number of years, and now it's affecting farmers in the area.
Watch the full report from Fiona McIlwraith below.
A meeting has been called to discuss the impact that North American crayfish are having on farms around Loch Ken.
The non-native species is causing problems in cattle feed and is said to have almost completely destroyed the biodiversity of the Loch.
One of Cumbria's rivers faces a potential environmental disaster with the discovery of a population of North American Signal Crayfish.
It is the first time the foreign intruders have been found in the River Eden in Carlisle.
The fear is they could wipe out the endangered native white clawed crayfish.
It is already a big problem across the border in Scottish waters.
Kim Inglis has this report:
Plans to develop a commercial crayfish farm in south west Scotland have hit a setback.
Local people wanted to create the farm in Loch Ken.
But authorities are concerned it could see a spread of the crayfish.
Local councillor John Thom says a working group is now being set up to look at the development of the farm and how licences can be completed to ensure it can be opened.