The cooking time for fish in the oven can vary widely depending on factors such as the type of fish, the thickness of the fillets, the oven temperature, and the specific recipe you're following.u003cbr/u003eu003cbr/u003e•u003cstrongu003eThin Fillets (1/2 inch or less):u003c/strongu003e These can cook in about 10-15 minutes in a preheated oven at 350°F (175°C).u003cbr/u003e• u003cstrongu003eMedium-thick fillets (1/2 to 1 inch):u003c/strongu003e These might take around 15-20 minutes in a preheated oven at 350°F (175°C).u003cbr/u003e•u003cstrongu003eThicker Fillets (1 inch or more):u003c/strongu003e Thicker fillets could require 20-25 minutes or more in a preheated oven at 350°F (175°C). u003cbr/u003eu003cbr/u003eRemember that these times are just estimates and can vary based on the factors mentioned earlier. If you have a kitchen thermometer, you can use it to check the internal temperature. Fish is generally safe to eat when its internal temperature reaches 145°F (63°C).