The filet should be firm and spring back when touched. u003cbr/u003eSkin color can vary depending on the type of salmon, but it should be a bright orange or pink.u003cbr/u003eAvoid any filets with excessive moisture, which can indicate that the fish has been previously frozen or that it's not fresh.u003cbr/u003eIf the filet has a strong fishy smell, it's probably not fresh.