| Main Ref. | Astudillo, J.-C., J.C.Y. Wong, C.P. Dumont, T.C. Bonebrake and K.M.Y. Leung, 2014 |
| To | Hong Kong |
| FAO area | Pacific, Northwest |
| From | unknown |
| FAO area | |
| Year | |
| Range | 1972 - 1981 |
| Period | 1975-present |
| Established in the Wild | yes |
| Established in Aquaculture | |
| Significant Ecological Interactions | |
| Significant Socio-economic Effects | |
| Introduced by | |
| Reason | accidental with ships |
| Other Reason | |
| Comments | They are uncommon in fouling communities in Hong Kong, mainly restricted to areas with intensive human activities and poor sea water qualities. By the early 1980's, Ciona intestinalis was considered established in Victoria Harbour, Tolo Harbour, and Tsing Yi. |