Vedeneev, V.P. and Babii, A.A. and Petrova, L.P. (2003) Biological Condition of the Spawning Stock in Lacustrine-Riverine Burbot Lota lota from the Vodla River (Lake Onega). Journal of Ichthyology/Voprosy Ikhtiologii [J. Ichthyol./Vopr. Ikhtiol.]., pp. 290-295
| Species | Development state | Trait | Primary Data | Secondary Data |
| Lota lota | Female | Age at sexual maturity | 7+ [Lowest age] | 7.0 year |
| Lota lota | Female | Length at sexual maturity | 65 [Lowest size] | 65.0 cm |
| Lota lota | Female | Weight at sexual maturity | 2.5 [Lowest weight] | 2.5 kg |
| Lota lota | Female | Absolute fecundity | Mean 1417, from 1014 to 2383 | 1417.0 thousand eggs |
| Lota lota | Female | Absolute fecundity | Mean of 324 [From 230-430] | 330.0 thousand eggs |
| Lota lota | Female | Maximum GSI value | Mean of 12, from 10-14.8 in December [Coefficient of sexual maturation] | 12.4 percent |
| Lota lota | Male | Age at sexual maturity | 5 [Lowest age] | 5.0 years |
| Lota lota | Male | Length at sexual maturity | 51 [Lowest size] | 51.0 cm |
| Lota lota | Male | Weight at sexual maturity | 0.9 [Lowest weight] | 0.9 kg |
| Lota lota | Male | Maximum GSI value | Mean of 11.1, from 9.5-16.0 in December [Coefficient of sexual maturation] | 12.75 percent |
| Lota lota | Spawning conditions | Spawning migration distance | About 60-70 km | 65.0 km |
| Lota lota | Spawning conditions | Spawning migration period | The spawning migration began from the second half of October and continued until early January, i.e. in the period of the open water followed by the period of ice | ['January', 'October'] |
| Lota lota | Spawning conditions | Spawning season | From late December to January | ['January', 'December'] |
| Lota lota | Spawning conditions | Spawning period duration | 4-5 [From late December to January] | 4.5 weeks |
| Lota lota | Spawning conditions | Spawning water type | Lakes or rivers | Stagnant water |
| Lota lota | Spawning conditions | Spawning substrate | Gravel and sandy sites | Lithophils |
| Lota lota | Spawning conditions | Parity | Spawning may not repeat every year | Iteroparous |