Zydlewski and McCormick, 1997


Zydlewski, J. and McCormick, J.H. (1997) The ontogeny of salinity tolerance in the American shad, Alosa sapidissima. Canadian Journal of Fisheries and Aquatic Sciences, pp. 182-189

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Alosa sapidissima Egg Egg size after water-hardening Average egg diameter was 3.4 mm 3.4 mm
Alosa sapidissima Egg Incubation time Hatching occurred on June 13, i.e. 6-7 days at 16.6-19°C 6.5 days
Alosa sapidissima Egg Temperature for incubation Filtered Connecticut river water (16.6-19°C during incubation) was supplied to an upwelling jar 17.8 °C
Alosa sapidissima Larvae Temperature during larval development The temperature was maintained at 20.0 ±1°C 20.0 °C
Alosa sapidissima Larvae Onset of exogeneous feeding The transition from endogenous to exogenous feeding occurred between days 3 and 6, at 20 ± 1.0°C 20.0 °C * day
Alosa sapidissima Spawning conditions Spawning migration period Reproductive adults migrate into coastal rivers in the spring when river temperatures are between 14 and 20°C ['April', 'May', 'June']
Alosa sapidissima Spawning conditions Spawning water type Spawning occurs in open water beyond tidal influence No category