Species Regional Summary
Sphaeroma walkeri
None ( NWP-2 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st record: Hainan Island/China/South China Sea (1958, Kussakin and Malyutuna 1993, on pier piles)

Geographic Extent

Stonecutters Island, Hong Kong/China/outside Victoria Habor, South China Sea (1972, Morton 1987); Hong Kong/China/Victoria Harbor (1983, Mak et al. 1985; Morton 1987); Astudillo et al. 2014, abundant, found in 29 of 31 sites in 2011-2012 surveys); North Point, Hong Kong/China/South China Sea (1983, Mak et al. 1985); Hong Kong/China/Tai Tam Bay (1983, Mak et al. 1985); Harbour Ferry, Hong Kong/China/South China Sea (1983, Mak et al. 1985); Hebe Haven mariculture cages, Hong Kong/China/South China Sea (1983, Mak et al. 1985)

Vectors

Level Vector
Alternate Ballast Water
Alternate Hull Fouling

Regional Impacts

References

Full Reference List for Sphaeroma walkeri

  • Nemesis (current)
  • Marine Invasions Lab
  • Partner Portals
    Nemesis California Panama Galapagos Cocos Island NP JTMD
    Archived Projects
    Chesapeake
  • Browse Species
    Taxonomic Groups All Species
  • Browse Regions
    States
    Alaska
    Bioregions & Bays
  • News
  • login

Direct questions and comments to nemesis@si.edu.

©