| Country | Hong Kong | Ecosystem | Southern China |
| Locality | Starfish Bay, Tolo Harbour | Depth | |
| Introduced | Year Intro. | ||
| Life Stage | not specified | unsexed | |
| Quantitative | 421.09 | Unit | numbers/m^2 |
| Semi Quantitative | 100-1000 | Unit | numbers/m^2 |
| Qualitative | abundant | ||
| Year | 1987 - 1987 | Period | 1975-2000 |
| Date | 1987-03-01 00:00:00 - 1987-12-31 00:00:00 | Record Type | field sample |
| Record Type | field sample | ||
| Seasonal | no | Method | quadrats |
| Remarks | Monthly sampling was done from March 1987 to February 1989. A series of 0.25 square meter quadrats, each separated by one meter, were pushed into the substratum to a depth of greater that 5 cm. After sifting, collected individuals were counted and measured. Abundance data presented is the average population density from March to December 1987. Monthly data available on p. 185;Fig.3 of the reference. | ||