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| Species | Development state | Trait | Primary Data | Secondary Data |
| Alosa sapidissima | Female | Age at sexual maturity | 4.2-4.5 [Female] | 4.35 year |
| Alosa sapidissima | Female | Length at sexual maturity | 46.8-49.5 [Mean length of repeat spawners] | 48.15 cm |
| Alosa sapidissima | Female | Weight at sexual maturity | 1.622-2.095 [Mean weight of repeat spawners] | 1.86 kg |
| Alosa sapidissima | Female | Absolute fecundity | 118.929-165.776 [Mean population fecundity] | 142.35 thousand eggs |
| Alosa sapidissima | Male | Age at sexual maturity | 3.8-4.1 [Female] | 3.95 years |
| Alosa sapidissima | Male | Length at sexual maturity | 42.9-46.9 [Mean length of repeat spawners] | 44.9 cm |
| Alosa sapidissima | Male | Weight at sexual maturity | 1.210-1.803 [Mean weight of repeat spawners] | 1.51 kg |
| Alosa sapidissima | Male | Male sexual dimorphism | In all populations and years, males matured at a significantly younger age than females | Absent |
| Alosa sapidissima | Spawning conditions | Parity | The proportions of repeat spawning fish in the sample decreased to 85% for males in 1972 and 78 and 64% for males and females respectively in 1973 | Iteroparous |