Why should fishery managers not view cod stocks as separate from other fish stocks such as capelin and mackerel? a. These fish species all form schools together and are therefore caught together. B. Capelin and mackerel both compete with cod for ocean floor habitat. C. These populations of these fish species are all related through the ocean food web. D. There is no reason for fishery managers not to view cod stocks individually. Please select the best answer from the choices provided a b c d.