Species Regional Summary
Sphaeroma walkeri
None ( SP-XXI )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st record: Hawai'i/HI/Hilo Harbor (Miller 1968, Carlton and Iverson 1981; USNM 233251, US National Museum of Natural History 2007))

Geographic Extent

Hawai'i/HI/Hilo Harbor (Miller 1968, Carlton and Iverson 1981; USNM 233251, US National Museum of Natural History 2007; Carlton and Eldredge 2009); Kaui/HI/Hanamaula Bay (1961, Miller 1968, Carlton and Iverson 1981; Carlton and Eldredge 2009); Oahu/HI/Pearl Harbor (1976-1977, Carlton and Eldredge 2009); Oahu/HI/Kaneohe Bay (Grovhoug and Rastetter 1980, cited by Carlton and Eldredge 2009)

Vectors

Level Vector
Alternate Ballast Water
Alternate Hull Fouling

Regional Impacts

References

Full Reference List for Sphaeroma walkeri

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