Selama lebih dari 400 juta tahun, hiu telah hidup di lautan.Mereka sangat disesuaikan dengan lingkungan mereka dan mereka menunjukkan. indera laut predator luar biasa
North Atlantic swordfish are top predators that have adapted to hunting squid and other prey in deep waters. The species is priced commercially, with catch worth as much as US$10 million per year in Canada and at least US$10.6 million in the United States, and is popular among sport fishermen as well.
