Sardine

They are microphagous filter feeders, consuming plankton [5, 13]. They exhibit strong vertical migration, typically staying at depths of 35–55m during the day and rising to 13–35m at night [5]. 2. Nutritional and Health Benefits Sardines are increasingly recognized as a "superfood" [19]:

As small pelagic fish, they are a more sustainable seafood choice with lower mercury levels compared to larger predatory fish [15]. 3. Fisheries and Stock Management sardine

Many regions, such as the Iberian Coast and the Mediterranean, have seen historical declines in recruitment [2, 23]. They are microphagous filter feeders, consuming plankton [5,