Chef Seafood Guide
Fish is the least forgiving protein: the window between raw and ruined is minutes, sometimes seconds. Almost every seafood failure is either overcooking or wet surface. This skill exists to prevent both.
Read references/species-and-methods.md for the species → method tables.
Universal rules
- Separate texture from safety. For ordinary home cooking,
chef-food-safety uses 63°C for fin fish. Lower temperatures such as 50–55°C are texture preferences/intentional undercooking or low-temperature methods and must not be described as the ordinary safety endpoint.
- Dry the surface obsessively. Skin-on fillets: pat dry, salt 10–15 min before, pat dry again. Wet skin never crisps and always sticks.
- Hot pan, patience, skin-side down 80% of the time. Press gently first 20 s to prevent curling; flip only when skin releases by itself; finish flesh-side seconds only.
- Salt timing: fish is thin — 15–30 min pre-salt is enough (0.8–1%). Longer starts curing it (fine if intended).
- Frozen ≠ inferior. Properly flash-frozen fish beats "fresh" that traveled 5 days. Thaw overnight in the fridge, never in warm water; quick method: sealed bag in cold water 30–60 min.
- Acid finishes, doesn't cook (unless ceviche is the goal): lemon at the table, not in the pan for 10 minutes.
- Shellfish texture moves fast: shrimp curl can warn about overcooking, but C/O shape is not a safety test. Squid texture often works either very fast or long-braised. Use applicable seafood safety guidance for the actual endpoint.
Freshness checks (whole fish)
- Eyes: clear, convex. Cloudy/sunken = old.
- Gills: bright red/pink, not brown/gray/slimy.
- Smell: sea and cucumber, never "fishy"/ammonia.
- Flesh: springs back when pressed.
Fillets: glossy, translucent, no gaping between flakes, no dry edges or pooling milky liquid.
Method-selection logic
- Lean white flaky (cod, haddock, pollock) → gentle: poach, bake 180°C, steam, batter-fry. Falls apart on grills.
- Meaty steaks (salmon, tuna, swordfish) → sear/grill like steak. Tuna: rare center or don't bother.
- Small oily (mackerel, sardines) → hard heat fast: grill, broil; acid mandatory to cut oil.
- Whole fish → roast 200°C or salt-crust; bones + skin protect the flesh, most forgiving format.
- Delicate/thin (sole, flounder) → flour-dust + butter pan-fry, 2–3 min total.
- Soup → firm fish added LAST 5–8 min; stock from bones/heads (no gills) simmered gently 20–30 min only — fish stock turns bitter with long boiling.
Pairing shortcuts
White fish → butter, lemon, capers, dill, peas. Salmon → mustard, honey, soy, dill, cucumber, miso. Oily fish → sharp acid, horseradish, pickled onion. Shrimp → garlic, chili, lime, butter. Squid → garlic, chili, lemon or slow tomato braise. Avoid drowning delicate fish in aged-cheese or red-meat-strength sauces.
1---2name: chef-seafood-guide3description: Fish and seafood authority — species selection, freshness checks, doneness, and method matching for fillets, whole fish, shrimp, squid, mussels, and canned fish. Use whenever a dish involves anything from the water: cooking or buying fish, fixing rubbery shrimp or dry salmon, choosing fish for soup/baking/frying, or handling frozen seafood correctly.4---56# Chef Seafood Guide78Fish is the least forgiving protein: the window between raw and ruined is minutes, sometimes seconds. Almost every seafood failure is either **overcooking** or **wet surface**. This skill exists to prevent both.910Read `references/species-and-methods.md` for the species → method tables.1112## Universal rules13141. **Separate texture from safety.** For ordinary home cooking, `chef-food-safety` uses **63°C** for fin fish. Lower temperatures such as 50–55°C are texture preferences/intentional undercooking or low-temperature methods and must not be described as the ordinary safety endpoint.152. **Dry the surface obsessively.** Skin-on fillets: pat dry, salt 10–15 min before, pat dry again. Wet skin never crisps and always sticks.163. **Hot pan, patience, skin-side down 80% of the time.** Press gently first 20 s to prevent curling; flip only when skin releases by itself; finish flesh-side seconds only.174. **Salt timing:** fish is thin — 15–30 min pre-salt is enough (0.8–1%). Longer starts curing it (fine if intended).185. **Frozen ≠ inferior.** Properly flash-frozen fish beats "fresh" that traveled 5 days. Thaw overnight in the fridge, never in warm water; quick method: sealed bag in cold water 30–60 min.196. **Acid finishes, doesn't cook** (unless ceviche is the goal): lemon at the table, not in the pan for 10 minutes.207. **Shellfish texture moves fast:** shrimp curl can warn about overcooking, but C/O shape is not a safety test. Squid texture often works either very fast or long-braised. Use applicable seafood safety guidance for the actual endpoint.2122## Freshness checks (whole fish)23- Eyes: clear, convex. Cloudy/sunken = old.24- Gills: bright red/pink, not brown/gray/slimy.25- Smell: sea and cucumber, never "fishy"/ammonia.26- Flesh: springs back when pressed.27Fillets: glossy, translucent, no gaping between flakes, no dry edges or pooling milky liquid.2829## Method-selection logic30- Lean white flaky (cod, haddock, pollock) → gentle: poach, bake 180°C, steam, batter-fry. Falls apart on grills.31- Meaty steaks (salmon, tuna, swordfish) → sear/grill like steak. Tuna: rare center or don't bother.32- Small oily (mackerel, sardines) → hard heat fast: grill, broil; acid mandatory to cut oil.33- Whole fish → roast 200°C or salt-crust; bones + skin protect the flesh, most forgiving format.34- Delicate/thin (sole, flounder) → flour-dust + butter pan-fry, 2–3 min total.35- Soup → firm fish added LAST 5–8 min; stock from bones/heads (no gills) simmered gently 20–30 min only — fish stock turns bitter with long boiling.3637## Pairing shortcuts38White fish → butter, lemon, capers, dill, peas. Salmon → mustard, honey, soy, dill, cucumber, miso. Oily fish → sharp acid, horseradish, pickled onion. Shrimp → garlic, chili, lime, butter. Squid → garlic, chili, lemon or slow tomato braise. Avoid drowning delicate fish in aged-cheese or red-meat-strength sauces.
DedInc