The color of Atlantic Cod can vary from gray to gray-green to reddish brown depending on bottom habitats. they are usually covered with reddish brown spots. Their lateral line is pale, almost white.
Cod are streamline in shape, have a broad square tail fin, three rounded dorsal fins, tow anal fins and no fin spines. Their upper jaw is blunt and extends beyond the lower jaw. A prominent chin whisker (barbel) is attached to their lower jaw.
The atlantic cod, which can change color at certain water depths, has two distinct color phases: grey -green and reddish brown. Its average weight is 11-26 pounds, but cod weighing up to 220 pounds have been recorded. Cod feed on mollusks, crabs, lobsters, starfish, worms, squid and small fish. Some migrate to warm water in winter to spawn. A large female lays up to five million eggs in mid-ocean, a very small number of which survive. Atlantic cod are bottom dwelling (groundfish) fish that prefer substrates ranging from rock to gravel.
Cod is a popular food fish with a mild flavor, low fat content and a dense, flaky white flesh. Atlantic cod historically has been one of the most common ingredients in fish and chips.
Cod contains more than 17 grams of protein and 0 carbohydrates per 100g serving.
Learn more from FishWatch U.S Seafood Facts
*Illustration by Roz Davis, provided courtesy of the Maine Department of Marine Resources Recreational Fisheries program and the Maine Outdoor Heritage Fund.