No detailed citation.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Esox niger | Egg | Incubation time | 6-12 | 9.0 days |
| Esox niger | Larvae | Larvae behaviour | Hatchlings sink to bottom and attach to vegetation by adhesive spot on snout and remain until able to begin active feeding (app. 1 week) | Demersal |
| Esox niger | Female | Age at sexual maturity | 3-4 [Female] | 3.5 year |
| Esox niger | Female | Length at sexual maturity | 37.2-42.3 [Both sex] | 39.75 cm |
| Esox niger | Female | Female sexual dimorphism | Females appear to grow faster and live longer | Absent |
| Esox niger | Male | Age at sexual maturity | 2-4 [Male] | 3.0 years |
| Esox niger | Male | Length at sexual maturity | 37.2-42.3 [Both sex] | 39.75 cm |
| Esox niger | Spawning conditions | Spawning season | April-May [Ice-out] | ['April', 'May'] |
| Esox niger | Spawning conditions | Spawning temperature | 8.3-11.1 | 9.7 °C |
| Esox niger | Spawning conditions | Spawning water type | Flooded benches of streams, lakes and ponds | Stagnant water |
| Esox niger | Spawning conditions | Spawning substrate | Vegetation | Phytophils |
| Esox niger | Spawning conditions | Spawning site preparation | None | No category |
| Esox niger | Spawning conditions | Nycthemeral period of oviposition | Daytime | Day |
| Esox niger | Spawning conditions | Parental care | None | No care |