Invasion
Invasion Description
None
Geographic Extent
Hong Kong/China/South China Sea (Wang and Huang 1999; 2009, Sun et al. 2012); 'SW Islands'/Japan/South China Sea (1970s, Iwasaki 2006)
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Ballast Water |
Regional Impacts
| Economic Impact | Fisheries | |
| Fouling of aquaculture cages (Wang and Huang 1993) | ||
| Economic Impact | Shipping/Boating | |
| 'Structures submerged in eastern Hong Kong waters for several months during winter and spring can be coated by H. elegans with a thickness up to 3.8 cm and wet-weight reaching 12.5 kg m-2 (Wang & Huang 1993).' (Sun et al. 2012). | ||