No detailed citation.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Alosa alosa | Spawning conditions | Mating system | By pair | Monogamy |
| Alosa alosa | Spawning conditions | Nycthemeral period of oviposition | During the night [Mostly around 2 hours in the morning] | Ambiguous |
| Alosa alosa | Spawning conditions | Spawning substrate | Sand, gravels but no pebbles | Ambiguous |
| Alosa alosa | Spawning conditions | Spawning temperature | Between 12 and 25°C during the whole spawning season [But spawning starts above 16°C] | 12.0 °C |
| Alosa alosa | Spawning conditions | Spawning period duration | 8 weeks | 8.0 weeks |
| Alosa alosa | Spawning conditions | Spawning water type | Water with current, 0.45 to 0.90 m/sec | Flowing or turbulent water |
| Alosa alosa | Spawning conditions | Spawning depth | From 0.95 to 1.60 m deep | 0.95 m |
| Alosa alosa | Female | Relative fecundity | 125-156 | 140.5 thousand eggs/kg |
| Alosa alosa | Spawning conditions | Spawning migration distance | 575 km from the Ocean | 575.0 km |
| Alosa alosa | Spawning conditions | Spawning season | End of May-June and also in July | ['May', 'July', 'June'] |
| Alosa alosa | Spawning conditions | Spawning release | 5 to 7 spawnings per spawning season | No category |