Species Regional Summary
Sphaeroma walkeri
None ( SA-II )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st record: Ihla do Mel (Parana)/Brazil/Atlantic Ocean (1953, Loyala e Silva 1960, cited by Carlton and Iverson 1981)

Geographic Extent

Itaipu Beach, Rio de Janeiro State, /Brazil/Atlantic Ocean, near Guanabara Bay entrance (1959, Loyala e Silva 1960, cited by Carlton and Iverson 1981); Santos, Sao Paulo State/Brazil/Atlantic Ocean (1964, Loyala e Silva 1976, cited by Carlton and Iverson 1981; Piers 1982); Ubatuba, Sao Paulo State/Brazil/Atlantic Ocean (1960, Loyala e Silva 1960, cited by Carlton and Iverson 1981); Ihla do Mel (Parana)/Brazil/Atlantic Ocean (1953, Loyala e Silva 1960, cited by Carlton and Iverson 1981); Matinhos (Parana)/Brazil/Atlantic Ocean (1962, Loyala e Silva 1976, cited by Carlton and Iverson 1981); Ilha do Mel, Parana/Brazil/Atlantic Ocean (Pires 1982); Teixeira et al. 2020

Vectors

Level Vector
Alternate Ballast Water
Alternate Hull Fouling

Regional Impacts

References

Full Reference List for Sphaeroma walkeri

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