Along with other marine organisms, sea squirts are transported around the world via anthropogenic activities. Some - like Corella eumyota - establish and disperse in non-native areas and become unwelcome invasive species causing serious ecological problems by:
And causing substantial financial loss to mussel and oyster aquaculture by:
There are about 60 established non-native marine species in UK waters. Obtaining records of non-native species occurrence and abundance helps:
You can report sightings of Corella eumyota in marinas and other sites on the Marine Life Information Network website.