Mackerel; Mackerel is a common name applied to a number of different species of pelagic fish, mostly from the family Scombridae. They are found in both temperate and tropical seas, mostly living along the coast or offshore in the oceanic environment. Vitamin D: 107% 643 IU Zinc: 7% 0.63 mg Vitamin A: 167 IU Protein: 18.60 g