Swordfish can grow up to 450cm and weigh up to 680kg. It has a hydrodynamic, slender and elongated body, ending in a strong tail. It is one of the fastest fish, as it can reach speeds of up to 100 km/h. It is dark blue and brown on the back and silver and light grey on the belly. It has a small head with large eyes, but can see very well in the dark. It has a long and flat beak, which is }{actually an elongated upper jaw. They live in pairs or small flocks and are found almost everywhere. In the Mediterranean Sea they are most abundant off Sicily and Malta, in the Atlantic they are found mainly off the coasts of South America and Africa, and are less abundant off the coast of the USA. In our vicinity, they are most abundant in the southern and central Adriatic, as they live at greater depths.