A hundred years ago Mousehole was a bustling port, crowded with local fishing boats, landing pilchards.
Back in the last century, huge shoals of pilchards were to be seen around the Cornish coast.
But all canned sardines and pilchards will contain omega 3, whether or not it says so on the can.
It feeds on mackerel, pilchards and herrings and, following the shoals, is often caught by fishermen in the nets along with its prey.
Newlyn has been exporting salted pilchards to Italy since c.1550.
Pilchards feed on minute crustaceans and other pelagic animals and require two or three years before they attain their full size, which is about 10 in.
Suggestions include sardines, pilchards, roast chicken, or one of the invalid diets available from vets.
There is a large export trade in fish, including that of pilchards to Italy.