Cod is a common name for a number of other fish species, like the Atlantic cod (Gadus morhua) and the  Pacific cod (Gadus macrocephalus). Cod are caught in colder and fairly deep waters, close to rocky areas, wrecks and drop-offs. Cod can weigh over 50kg.

The common dab (Limanda limanda) is a species of flatfish that inhabits the sandy seafloor of the North Sea, southern Baltic Sea, Bay of Biscay and also Iceland. Although the average catch is a 20 cm dab, there are specimens that weigh up to 40 centimetres (17 in) in length with a weight of around 1 kilogram (2.3 lb). Dab is a very good eating fish.

The ling (Molva molva) is a common fish from the North Atlantic one of the largest cod-like fish. They are a popular species caught around the British Isles, Norway, Island, Germany, the Netherlands, Belgium and France. Ling can grow up to 2 meters (7ft) long and weigh 40 kg (90lb).

The tope shark or school shark (Galeorhinus galeus) is a type of ground shark found worldwide in temperate seas. Tope can grow up to two meters in length. This shark is a critically endangered species.