Gadus

Gadus is a genus of demersal fish in the family Gadidae, commonly known as cod, although there are additional cod species in other genera. The best known member of the genus is the Atlantic cod.

Gadus
Gadus morhua, Atlantic cod
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Gadiformes
Family:	Gadidae
Genus:	Gadus Linnaeus, 1758 [1]
Type species
Gadus morhua Linnaeus 1758
Species
Gadus macrocephalus Gadus morhua Gadus chalcogrammus (Gadus ogac – invalid, synonym to G. macrocephalus[2][3])
Synonyms
Cephus Swainson, 1838 Cerdo Gistel, 1848 Leptogadus Gill, 1863 Morhua Fleming, 1828 Morua Risso, 1827

Species

Today, three species in the genus are recognized:

True cod

Image	Common name	Scientific name	Maximum length	Common length	Maximum weight	Maximum age	Trophic level	Fish Base	FAO	ITIS	IUCN status
	Atlantic cod	Gadus morhua Linnaeus, 1758	200 cm	100 cm	96.0 kg	25 years	4.4	[4]	[5]	[6]	Vulnerable[7]
	Pacific cod	Gadus macrocephalus Tilesius, 1810	119 cm	cm	22.7 kg	18 years	4.0	[8]	[9]	[10]	Not assessed
	Alaska pollock	Gadus chalcogrammus Pallas, 1811	91.0 cm	cm	3.85 kg	15 years	3.5	[11]	[12]	[13]	Not assessed [14]

Modern taxonomy included Alaska pollock (Gadus chalcogrammus), which is genetically not separate from Norway pollock.^[15][16] Greenland cod (G. ogac) that was considered an own species, is considered the same species as Pacific cod (G. macrocephalus).^[16][2][3]