Carscadden, J.E. and Leggett, W.C. (1975) Life history variation in populations of American shad, Alosa sapidissima (Wilson), spawning in tributaries of the St John river, New Brunswick. J. Fish. Biol., pp. 595-609
| Species | Development state | Trait | Primary Data | Secondary Data |
| Alosa sapidissima | Egg | Temperature for incubation | 15.5-26.5 [Optimum temperature] | 21.0 °C |
| Alosa sapidissima | Larvae | Temperature during larval development | 15.5-26.5 [Optimum temperature] | 21.0 °C |
| Alosa sapidissima | Spawning conditions | Spawning migration period | The peak of spawning migrations in all Atlantic coast populations of closely related with a narrow range of water temperatures (13-18°C) | No data |
| Alosa sapidissima | Spawning conditions | Homing | The american shad is reported to home to its natal river to spawn | Present |