Species Regional Summary
Diplosoma listerianum
Massachusetts Bay ( N170 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: Salem/MA/Salem Harbor (2000, MIT Sea Grant 2007)

Geographic Extent

Jodrey State Pier, Gloucester/MA/Gloucester Harbor (2010, Massachusetts Office of Coastal Zone Management 2013); Hawthorne Cove Marina, Salem/MA/Salem Harbor (2000, MIT Sea Grant 2007; 2010, Massachusetts Office of Coastal Zone Management 2013); Winter Island/Salem/MA/Salem Harbor (2008, MIT Sea Grant 2011); Lynn/MA/Lynn Harbor (2002, Agius 2007); Rowes Wharf, Boston/MA/Boston Harbor (2013, Wells et al. 2014)

Vectors

Level Vector
Probable Hull Fouling

Regional Impacts

Ecological ImpactCompetition
In experiments in Lynn Harbor, Massachusetts Bay, Diplosoma listerianum achieved a stand-off with Botrylloides violaceus, becoming co-dominant, covering ~37% of the plates at the peak of its growth (Agius 2007).
 

References

Full Reference List for Diplosoma listerianum

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