Cod are usually green to brownish in color. The brown can also be seen as orange/brown. Some cod also have specks on them as well when you first bring them up.The lateral line drops off about midsection then straight to the tail. Large cod have a possum belly. Large pollock are more symmetrically rounded.
Pollock are bluish in color and more streamlined. The lateral line is usually straight. Also, pollock eyes are slightly larger than cod eyes.
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