| Main Ref: | 91267 | |
| Locality: | River Teno, 1994-1998 | |
| Country: | Finland | |
| Temperature: | 0.50 ° C | |
| Salinity: | ppt freshwater | |
| Egg diameter: | 5.30 mm | |
| Egg development time: | 220.00 days Ref. 91267 | |
| Data type: | based on lab. experiments | |
| Remarks | Egg diameter taken from unfertilized egg. | |