| Land | New Zealand | Ekosystem | |
| Observationsplats | East Coast of the South Island | Depth | |
| Införda | Year Intro. | ||
| Utvecklingsstadium | not specified | unsexed | |
| Quantitative | 6.3 | Unit | kg/km2 |
| Semi Quantitative | Unit | kg/km2 | |
| Qualitative | common | ||
| År | 1991 - 1996 | Period | 1975-2000 |
| Datum | 01/05/91 - 30/06/96 | Record Type | survey |
| Record Type | survey | ||
| Seasonal | yes | Metod | swept area |
| Anmärkningar | Total Area Surveyed: 23,341 km2. Winter trawling. Bottom trawling only during May to June from 1991-1994 and again in 1996. | ||