New England, from Maine to Long Island Sound
Established in Rhode Island?
Yes, but only in Narragansett and Charlestown so far.
Date and Location of Introduction:
1980s, New England
Method of Introduction:
Unknown, but possibly ballast water or aquaculture.
Reproduces both sexually and asexually.
The effects of P. yezoensis
on local populations have not yet been
established; therefore, it is unknown if it has the potential to outcompete
There are no known control methods at this time.
- Currently, there are no documents for this species
RIAIS. 2007. Rhode Island Aquatic Invasive Species Management Plan.