Zanuy, S. and Prat, F. and Carillo, M. and Bromage, N.R. (1995) Effects of constant photoperiod on spawning and plasma 17 - oestradiol levels of sea bass (Dicentrarchus labrax). Aquat. Living. Resour., pp. 147-152
| Species | Development state | Trait | Primary Data | Secondary Data |
| Dicentrarchus labrax | Egg | Egg Buoyancy | Egg quality was assessed according to the volume of the floating (viable) eggs | Pelagic |
| Dicentrarchus labrax | Female | Relative fecundity | 230 | 230.0 thousand eggs/kg |
| Dicentrarchus labrax | Spawning conditions | Spawning period duration | Natural spawning time of the control group : first spawning February 2 and last one March 20; mean spawning time 24 ± 5 February | 24.0 weeks |
| Dicentrarchus labrax | Spawning conditions | Spawning period duration | Spawning spread 48 days | 48.0 weeks |