No detailed citation.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Alosa alosa | Spawning conditions | Mating system | Egg spawning last 4 to 7 seconds | No category |
| Alosa alosa | Spawning conditions | Nycthemeral period of oviposition | Only during the night, mostly between 2 and 3h30 in the morning | Ambiguous |
| Alosa alosa | Spawning conditions | Spawning substrate | Gravels | Lithophils |
| Alosa alosa | Spawning conditions | Spawning water type | Water ccurent about 1m/s | Flowing or turbulent water |
| Alosa alosa | Spawning conditions | Spawning depth | Less than 2 meters | 2.0 m |
| Alosa alosa | Spawning conditions | Homing | Seem to return to their natal stream | Present |
| Alosa alosa | Spawning conditions | Parity | Most spawners die after the first migation | Semelparous |