No detailed citation.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Alosa alosa | Spawning conditions | Spawning season | May 12 to July 12 and Between April 21 to July 11 | ['April', 'May', 'July'] |
| Alosa alosa | Spawning conditions | Spawning period duration | 8-11 but Male and female residency times on the sapwning area are, respectively 111 days and 1-7 days | 9.5 weeks |
| Alosa alosa | Spawning conditions | Spawning temperature | Over 14 | 14.0 °C |
| Alosa alosa | Spawning conditions | Nycthemeral period of oviposition | Night | Night |
| Alosa alosa | Spawning conditions | Mating system | Males participated in more spawning acts (up to 60) than females (2) | No category |
| Alosa alosa | Spawning conditions | Spawning release | Batch spawner | Multiple |
| Alosa alosa | Spawning conditions | Spawning release | Three to seven batches over a few days; eggs are free | Multiple |
| Alosa alosa | Spawning conditions | Spawning release | Eggs are spawned in three to seven batches over a few days | Multiple |