Thursday, 17 January 2019

Asian mussel confirmed on British beaches

January 2, 2019, University of Portsmouth

An Asian mussel named after a British naval officer has found its way to Britain and is making itself at home on southern beaches, according to new research.
Peter Barfield, a marine scientist at the University of Portsmouth's Institute of Marine Sciences, is the first to publish confirmation that the Asian date mussel has made a home in British waters.
The small, fragile mussel is considered edible in China.
Its native range stretches from Siberia to Singapore. In addition to British waters, it has also been found in The Netherlands.
Peter said: "After the initial finding of a single mussel on the beach near Titchfield Haven, in the Solent, a year ago, there's clear evidence now it is living and feeding on the south coast.
"It's listed on invasive species databases as 'one to watch out for', but whether it thrives here or causes problems for British native species depends on a wide range of factors.
"It would be prudent to keep an eye on it."
The Asian date mussel, or Arcuatula senhousia, was first found in China, and was described in 1842 by William Benson. It is believed he named it after Sir Humphrey Fleming Senhouse, a British naval officer who died in Hong Kong in 1841 during the infamous Opium War between Britain and China.
It is coloured olive and brown, and it can be distinguished from British native mussels by zig-zag markings on the shell.
In UK waters, it has been found living in soft sediment and it is known to also attach to hard substrates, such as other shells beneath the sea and up to the high water mark.

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