1. Scientific and common name[img]http://www.msep.org.uk/wp-content/uploads/2014/06/NNSS_Image_2856.jpg[/img]
2. Where is it a native species?
3. What phylum is it in?
4. Where is it invasive?
5. Mode of life?
6. What measures have been taken to stop it?
Didemnum vexillium, carpet sea squirt (marine vomit), Japan, Chordata, Europe, North America, and New Zealand, benthic, sessile, suspension feeder, eating the sea squirts :P