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Fish Thermometers for Cooking Thin Fillets and Whole Fish

For fish thermometer cooking checks, use a thin-tip instant-read probe and approach a fillet from the side. That places the sensing area in the center without pushing straight through.

Fish thermometer cooking is awkward because many portions are thinner than a probe's usual insertion depth. A fast, narrow sensing tip is the most versatile choice: insert it horizontally into the thickest part of the fillet and pause for a stable reading. For a whole fish, check the thick flesh without contacting the backbone.

Fish Thermometers for Cooking Thin Fillets and Whole Fish

Common questions

Questions before you buy

Where do you put a thermometer in a fish fillet?

Enter from the side and place the sensing tip in the thickest central portion.

What temperature should cooked fish reach?

USDA's consumer chart lists 145°F for fish and shellfish.

Can an infrared thermometer tell whether fish is done?

It can only read the surface. A penetration thermometer is needed for the center.

Does a whole fish need more than one temperature check?

Checking more than one thick area can reveal uneven cooking. Avoid bone because it can distort the reading.