Invasion
Invasion Description
1st Record: CA/Elkhorn Slough (failed, 1st planting 1929, commercial operations continuing, to 1980s, Conte 1996; Wasson et al. 2001)
Geographic Extent
CA/Elkhorn Slough (failed, 1st planting 1929, commercial operations continuing, to 1980s, Conte 1996; Wasson et al. 2001)
Vectors
| Level | Vector |
|---|---|
| Probable | Oyster Intentional |
Regional Impacts
| Economic Impact | Fisheries | |
| Culture of M. gigas continued in Elkhorn Slough from 1929 to the 1980s (Barrett 1963; Conte 1996; Wasson et al. 2001) | ||
| Ecological Impact | Parasite/Predator Vector | |
| Parasite-Predator vector- Although M. gigas has not become definitely established in Elkhorn Slough, its introduction has been a possible/probable vector for a number of oyster foulers or predators, including the parasitc copepod Mytilicola orientalis (widespread), the mussel Musculista senhousia, the bryozoan Schizoporella japonica, and the tunicates Botrylloides violaceus and Styela clava (Carlton 1979; Wasson et al. 2001; de Rivera et al. 2005) | ||