You probably wouldn’t think a small shellfish would be much to worry about in the great scheme of things – but then you might not ever have heard of the quagga mussel and the impact it can have when it gets into a waterway.
An occasional look at the ebb and flow of the Thames
You probably wouldn’t think a small shellfish would be much to worry about in the great scheme of things – but then you might not ever have heard of the quagga mussel and the impact it can have when it gets into a waterway.