Saithe, which is a part of the cod family, is a groundfish that can in fact also be called a pelagic fish. It is found all around Iceland, but is rarer in the colder waters to the north and east of the country. 

Saithe is an excellent source of protein, vitamin B12, selenium, and contains a balanced ratio of potassium and sodium. It is sold fresh or frozen to all over the world.