Marine and continental distribution and dynamic of the early spawning migration of twaite shad (Alosa fallax (Lacépède, 1803)) and allis shad (Alosa alosa (Linnaeus, 1758)) in the north-west of the Iberian Peninsula

1. Nachón, D.J.
2. Mota, M.
3. Antunes, C.
4. Servia, M.J.
5. Cobo, F.