Swordfish Fish
10.0best for cookingDense meaty steak fish; grill or broil thick-cut, very similar texture and mild flavor
Stovetop cooking with tuna covers seared steaks, pan-fried patties, simmered ragu, and pasta tosses. The lens here is heat tolerance and timing: tuna steak hits medium-rare at 125°F internal in roughly 2 minutes per side over high heat, beyond which it goes from buttery to chalky in 30 seconds. Substitutes are ranked first by behavior in the pan (will it tighten or stay tender?), second by timing flexibility, and third by the emulsion-vs-sear behavior across stir-fries, salads, and brothy applications.
Dense meaty steak fish; grill or broil thick-cut, very similar texture and mild flavor
Swordfish steak subs 1:1 unit; same dense meaty flesh that hits medium at 130°F internal in 3 minutes per side over high heat. Mild flavor matches tuna's. Slightly higher fat (around 7%) means it tolerates an extra 30 seconds before turning chalky. Salt 10 minutes ahead, sear in a smoking-hot pan.
Rich fish, works fresh or canned
Salmon at 1:1 lb subs cleanly: 11% fat means 30-second longer cook tolerance than tuna before drying out. Reaches medium at 125°F internal in 2.5 minutes per side over medium-high heat. Flavor lifts richer; pair with citrus or capers to mirror Niçoise-style profiles. Skin crisps in a hot pan.
Firm texture; works in stir-fries and salads
Shrimp at 1:1 lb cooks fast — peeled medium shrimp curl C-shaped in 90 seconds per side at 375°F pan temp. Drier than tuna (around 1% fat) so finish with butter or olive oil for richness. Excellent in stir-fries; chunks hold their shape past 4 minutes simmering, unlike tuna.
Oily and rich like tuna; swap canned mackerel into salads and melts
Canned mackerel 1:1 can flakes into pasta and rice dishes; oil-packed brings 13% fat that crisps lightly in a hot pan over 2 minutes. Stronger fish flavor — cut anchovies or fish sauce by half. Fork-mash and stir into a hot olive-oil aglio-olio base for a 5-minute weeknight dish.
Stronger oily flavor; mash into tuna-salad style sandwiches or pasta
Sardines at 1:1 can pasta-toss beautifully — fork-mash with garlic in olive oil at medium heat for 90 seconds, then add hot pasta. Sharper oil-fish flavor than tuna; halve any added salt or fish sauce. Bones (if soft-canned) dissolve into the sauce and add silky body.
Smoked whitefish salad mimics canned tuna salad; flake and dress with mayo
Smoked whitefish 1:1 can warms gently in cream-based pasta or risotto — keep heat below 180°F or it tightens and goes rubbery. Add at the end of the cook, off heat. Smokiness reads strongly; pair with leeks, dill, lemon zest. Needs 1 tbsp olive oil per can to bridge the lean texture.
Canned or smoked trout flakes like tuna; milder pink flesh for sandwiches
Canned trout 1:1 can stirs into pasta or grain bowls late in the cook — it's pre-cooked and just needs warming through, about 60-90 seconds at medium heat. Mild pink flesh holds flake size. Add capers and lemon to lift; trout fat (7%) carries herbs cleanly through the dish.
Mashed chickpea salad instead of tuna
Mashed chickpeas at 1.5:1 cup deliver a meaty plant-based stand-in for tuna salad and pasta tosses. Fork-crush half, leave half whole for texture variation. Add 1 tbsp olive oil per cup and 1/2 tsp kelp granules or capers per cup to backfill umami. Heats through in 2 minutes.
Crumble for tuna salad texture
Shred young jackfruit for plant-based tuna
Crumble and season for vegan tuna filling