A London waterway was recently discovered to have a tunnel clogging mass of invasive molluscs. This invasive species is known as the zebra mussel and is native to the Ukraine. Spread by and transferred by infected boat hulls these mussels threaten the UK’s waterways. While they do not threaten water quality because they are filter feeders, the tunnel is shut down while the mussels are being removed. This is not a new problems as this problem in the Thames.

Key Takeaways:

• Zebra mussells invade London water tunnel. They can produce as many as 30,000 in one season
• Originally from the Black Sea they arrived in London by clinging to the hull of boats.
• This is a serious problem and threatens the water quality.

“Native to Ukraine, the zebra mussel is an invasive species that can cause serious problems.”

Read more: https://metro.co.uk/2017/03/21/massive-wall-of-molluscs-native-to-ukraine-block-london-water-network-6524082/