Invasion

Invasion Description

1st Record: Table Island/British Columbia/Queen Charlotte Sound (1940, as Hipponix tumens, Griffith 1967, cited by Carlton 1979)

Geographic Extent

Table Island/British Columbia/Queen Charlotte Sound (1940, as Hipponix tumens, Griffith 1967, cited by Carlton 1979); west coast, Queen Charlotte Island/Tasu Sound (1963, Cowan 1974, 3 specimens attached to a Northern Abalone, Haliotis Kamschatkana)