Williot, P., Brun, R., Pelard, M. and Mercier, D., 2000. Induced maturation and spawning in an incidentally caught adult pair of critically endangered European sturgeon, Acipenser sturio L. Journal of Applied Ichthyology, 16(6), pp.279-281.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Acipenser sturio | Egg | Egg Buoyancy | Twenty-three hours after the second hormonal injection\some ovulated eggs were observed in the bottom of the tank | Demersal |