Fish soup from a humpback salmon with an onions leek and carrots

Humpback salmon to cut on a fillet with a leather without bones, to make on a leather a cut as a cross. The onions leek to cut rings, to fry on vegetable oil, to add a fish broth and to finish with boiling, to add carrots splint, spices and a fish a piece to finish with boiling, to submit in a soup plate.