| Dev. time (days) |
Temp. (°C) |
Diam. (mm) |
Salinity (ppt) |
Locality | Country |
| 6.00 | 0.00 | 1.40 | British Isles | (not available) | |
| 6.00 | 0.00 | 1.40 | North Sea, Skagerrak, Kattegat | (not available) | |
| 2.06 | 21.00 | 1.19 | Not specified. | UK | |
| 7.38 | 7.40 | 1.19 | Not specified. | UK |