Are Sardines Saltwater or Freshwater Fish? Explained Clearly in One Article

Sardines are saltwater fish. Sardines can also be called "shadian yu," and are also known as "sading yu," "wen" and "yi." Besides the usual ways of eating them, their fish oil can also be used to make paint, pigments and so on, giving them outstanding economic value.

I. Are sardines saltwater fish?

Sardines are saltwater fish. Sardines mainly live in the sea. In autumn and winter, adult fish dwell in deep water beyond 70 to 80 m. In spring, as coastal water temperatures rise, the shoals make a spawning migration toward the shore. After hatching, the fry and juveniles feed and grow along the coast. In summer, they gradually migrate northward with the warm current of the South China Sea. In autumn, as surface water temperatures drop, they migrate southward. After October, when the fish have grown to more than 150 mm, they gradually move to deeper sea areas as coastal water temperatures fall.

II. What do sardines eat?

Sardines generally eat small planktonic crustaceans, such as the small shrimp we know of, larvae of the Brachyura, and so on, and they also take in some diatoms in moderation. At night they are attracted by light, so fishers generally use methods such as light purse seining, drift gillnetting, large haul seining and set netting to catch them.

As a fish with relatively high nutritional value, sardines are currently quite popular with everyone.