Farrell, J.M. and Werner, R.G. (1996) Egg distribution and spawning habitat of northern pike and muskellunge in a St. Lawrence River marsh, New York. Transactions of the American Fisheries Society [TRANS. AM. FISH. SOC.], pp. 127-131
| Species | Development state | Trait | Primary Data | Secondary Data |
| Esox masquinongy | Egg | Egg size after water-hardening | 3.1-3.4 (mean=3.32; N=33) | 3.25 mm |
| Esox masquinongy | Spawning conditions | Spawning season | Begin 13 May, peaked on 23 May, until 12 June | ['May', 'June'] |
| Esox masquinongy | Spawning conditions | Spawning period duration | 4-5 | 4.5 weeks |
| Esox masquinongy | Spawning conditions | Spawning temperature | 7.5-15 | 11.25 °C |
| Esox masquinongy | Spawning conditions | Spawning temperature | 7-17 (10-13 : peak deposition) | 12.0 °C |
| Esox masquinongy | Spawning conditions | Spawning water type | Spawn on shoals in the main river, with water velocity greater than 0.1 m/s | Flowing or turbulent water |
| Esox masquinongy | Spawning conditions | Spawning depth | Water deeper than 1 m | 1.0 m |
| Esox lucius | Egg | Egg size after water-hardening | 2.8-3.1 [mean=2.96, n=62] | 2.95 mm |
| Esox lucius | Egg | Egg adhesiveness | The egg are adhevise, however after water hardening the eggs lose their adhesiveness | Adhesive |
| Esox lucius | Spawning conditions | Spawning season | Begin 25 April, peaked on 13-16 May, until 27 May | ['April', 'May'] |
| Esox lucius | Spawning conditions | Spawning period duration | 4-5 | 4.5 weeks |
| Esox lucius | Spawning conditions | Spawning temperature | 5-13 [7-12 peak deposition] | 9.0 °C |
| Esox lucius | Spawning conditions | Spawning water type | Backwater habitats with little current or negligible current | Flowing or turbulent water |
| Esox lucius | Spawning conditions | Spawning depth | Areas less than 1 m deep | 1.0 m |