invasion – The non-native sea squirt

While the jellyfish invasion has helped decimate the winter flounder population in Narragansett Bay, the non-native sea squirt may overrun the local oyster and blue mussel communities. ”There is evidence of jellyfish explosions around the world that appear related to the adverse impact of human activities, and those include global warming,” said a representative of the New York City-based Natural Resources Defence Council.
The Boston Globe, 2/7/02.