Answer:
Blue sharks eat almost everything. However, they prefer some types of fishes and squids.
Among the regular fishes they eat are herring, silver hake, white hake, red hake, cod, haddock, mackerel, butterfish, sea raven, tuna, and swordfish.
Other occasional meals of the blue shark are seabirds, garbage, and carrion and they even eat small sharks sometimes.
Like other big sharks, the blue shark includes seals into its diet.
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