Pictures of Cod:

Cod belongs to the phylum Vertebrata (Vertebrata), the subphylum Subphylum Vertebrata, the order Teleostei (Division Teleostei), and the order Gadiformes (Gadiformes). Cod is a cold-water fish that lives in the bottom of the ocean and the middle and lower layers of the deep sea, and is widely distributed in all oceans of the world. Among them, there are many world-class economically important fish of high economic value in the cod family and the hake family.

Cod meat is delicious and rich in nutrients, and it can promote blood circulation to get rid of fetish; swim bladder can tonify blood and stop bleeding; cod bone can cure foot fungus; cod pancreas contains a lot of insulin, and 12000IU insulin can be extracted from 1kg of pancreas; cod liver can be used for the extraction of cod liver oil (oil content of 20%~40%).

Expanded Information

Body elongated, pike-shaped, slightly thicker in front, tapering backward, slightly laterally compressed. Head moderately large. The muzzle is slightly protruding. Eyes large lateral superior. Interocular septum broad and flat, slightly convex. Mouth large. Maxilla slightly longer than mandible. Posterior end of maxilla reaches below anterior margin of pupil. Mandible with a short scar-like chin whisker in the center. Both jaws and anterior end of plow bone with several rows of fine pointed teeth. Maxillary and mandibular supernumerary teeth longer and more pointed. Inferior pharyngeal bone with fluffy group of teeth. Tongue broad and blunt, free anteriorly. Gill pores large. Gill cover membranes interconnected and separate from isthmus. Outward gill rakers elongate, inward gill rakers bluntly protuberant, number of gill rakers 6+26.

Head and body covered with fine rounded scales. Lateral line 1, complete. Dorsal fins 3, distinctly separated, all composed of flippers; first dorsal fin high, beginning just above back of pectoral-fin base; second dorsal fin slightly behind first dorsal fin; third dorsal fin located above second anal fin. Anal fins 2, first and second anal fins opposite second and third dorsal fins, respectively. Pectoral fins laterally median.

Ventral fin laryngeal, left and right fins far apart, second fin protruding _ filiform. Posterior end of caudal fin shallowly concave. Head and dorsal side of body olive colored, with 2-5 dark longitudinal bands, yellow longitudinal stripes between longitudinal bands. Ventral side white. Dorsal fin olive. Pectoral fins dark black. Ventral and anal fins gray. Caudal fin light olive.

Naked Cod: Also known as Silver Cod, the price of "Cod" is usually higher than that of "Real Cod" (Cod, Codidae) in the markets of Hong Kong and mainland China.

Oilfish: also known as wax oil fish, round cod, in Taiwan, Hong Kong and mainland China and other places, often being passed off as "cod" in the sale, the price is much lower than "real cod", and at the same time, because of its oil can not be digested, easy to stool after eating the excretion of oil phenomenon, Japan, the United States and Indonesia. The phenomenon, Japan, the United States and the Indonesian government will be listed as toxic fish species, banned from importing or selling.

Young flounder: also known as Icelandic cod, flat cod, in mainland China and Taiwan is often sold as "cod", but the price is lower than "real cod".

Small-scale canine tooth Antarctic fish: also known as Chilean sea bass, round cod, non-cod species, but often sold as cod in Taiwan.

Baidu Encyclopedia - Cod