| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| Peru | Ancón Bay (lower intertidal zone) | 2005 - 2005 | common | 92809 | |
| Peru | Ancón Bay (lower intertidal zone) | 2006 - 2006 | common | 92809 | |
| Peru | Ancón Bay (lower intertidal zone) | 2006 - 2006 | very common | 92809 | |
| Peru | Ancón Bay (lower intertidal zone) | 2006 - 2006 | very common | 92809 | |
| Peru | Ancón Bay (lower intertidal zone) | 2006 - 2006 | common | 92809 | |
| Peru | Ancón Bay (lower intertidal zone) | 2007 - 2007 | very common | 92809 | |
| Peru | Ancón Bay (upper intertidal zone) | 2005 - 2005 | very common | 92809 | |
| Peru | Ancón Bay (upper intertidal zone) | 2006 - 2006 | very common | 92809 | |
| Peru | Ancón Bay (upper intertidal zone) | 2006 - 2006 | very common | 92809 | |
| Peru | Ancón Bay (upper intertidal zone) | 2006 - 2006 | very common | 92809 | |
| Peru | Ancón Bay (upper intertidal zone) | 2007 - 2007 | very common | 92809 | |
| Chile | Canal Whiteside, Isla Tierra del Fuego | 1994 - 1994 | common | 92900 | |
| Puerto Rico | Cidra and La Plata Reservoirs | 2000 - 2000 | very common | 7961 |