Here’s a handy acronym to remember the different types of oily fish: SMASH. That’s salmon, mackerel, anchovies, sardines and herring. Generally, two portions of oily fish a week is a good ...

Oily fish are fish species with oil in soft tissues and in the coelomic cavity around the gut. Their fillets may contain up to 30% oil, although this figure varies both within and between species.

Read our good fish guide to discover the health benefits of eating oily fish, what fish does for your body and the types of fish you should be eating. The health benefits of eating fish The major ...

However, the Food Standards Agency advises a limit to the quantity of oily fish that we should eat because these fish contain more mercury than other types of fish. The FSA recommends that girls ...