The sardine is a very well known fish. Unfortunately, the vast majority of consumers only know this as a preserved product That's too bad, because fresh sardine is a treat. Sardines are in many species and sizes and are found in all the world's seas. This copy is the European sardine and is also known as Breton , Italian or pilchard sardine and is found in the east of the Atlantic Ocean to the Mediterranean Sea. The sardine can reach a length of 25 cm and swim to a depth of 100m. The sardine is family of herring and has a blue/green back with a silver belly. The Italian sardine is the smallest then comes the Breton sardine and finally the pilchard, which can sometimes be as big as a herring.