Cod called cod: "Cod" forms part of the common name of many other fish no longer classified in the genus "Gadus". Many are members of the family Gadidae; others are members of three related families within the order Gadiformes whose names include the word "cod": the morid cods, Moridae (100 or so species); the eel cods, Muraenolepididae (four species); and the Eucla cod, Euclichthyidae (one species). The tadpole cod family (Ranicipitidae) has now been placed in Gadidae. Gadiformes include: Some fish have common names derived from "cod", such as codling, codlet or tomcod. ("Codling" is also used as a name for
Canadian Atlantic Cod federal and provincial legislation regulates what is exactly allowed. Any new aquaculture of any sort is not allowed in Ontario. Only coastal areas like British Columbia, Newfoundland and Labrador or New Brunswick are free to build more fish farms under permission from the government. Aquaculture (fish farming) is used for all Atlantic Cod production, so that the environment and natural (wild) fish species are essentially unaffected. Fish are sold without further processing, so little to none of the animal is wasted. The only environmental concern from Atlantic Cod is excess nutrients produced in their feces. If left un-filtered in natural