Seafood Allergen Guide
Information about Seafood in cuisine around the world.
About Seafood
Seafood, including fish, shellfish (such as prawns, crabs, and mussels), is another common allergen in Australia. Given Australia's extensive coastline and seafood-rich cuisine, it's important to be vigilant about seafood allergies. Many restaurants specialize in seafood, so cross-contamination can be a concern. Always inform restaurant staff about your allergy and ensure your meal is prepared separately.
High Prevalence Warning
Seafood is particularly common in the cuisine of: Australia, Japan, Peru, New Zealand, Philippines
Common Foods Containing Seafood
Foods That Contain Seafood

Sushi
Vinegared rice combined with various ingredients, especially seafood. Ranges from simple nigiri (fish on rice) to complex maki rolls. Edomae-style (Tokyo) remains the gold standard, while modern innovations include wagyu beef sushi and truffle-infused rolls trending in 2025.
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Ramen
Chinese-style wheat noodles served in meat or fish-based broth, often flavored with soy sauce or miso, topped with ingredients such as sliced pork, nori, and green onions. Regional varieties include Tokyo shoyu, Hokkaido miso, Kyushu tonkotsu, and Sapporo butter corn ramen. The world's first Michelin Green Star for ramen awarded in 2025.
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Tempura
Seafood or vegetables that have been battered and deep-fried. The batter is light and crispy, made with cold water and minimal mixing. Liquid nitrogen tempura pioneered by Tempura Motoyoshi represents 2025's innovative frontier.
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Okonomiyaki
Savory pancake containing a variety of ingredients such as cabbage, meat, and seafood, topped with okonomiyaki sauce, mayonnaise, and bonito flakes. Osaka and Hiroshima styles differ in preparation methods.
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Ceviche
Fresh raw fish marinated in citrus juices (usually lime) and spiced with ají peppers, served with sweet potato, corn, and onions. The spicy citrus marinade is called leche de tigre (tiger's milk).
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Tiradito
Similar to ceviche but with sliced (not cubed) fish and a spicier, smoother sauce. Nikkei fusion dish combining Japanese sashimi techniques with Peruvian flavors. Showcases Peru's coastal seafood excellence.
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Tips for Avoiding Seafood
Learn Local Terms
Before traveling, learn how to say "Seafood allergy" in the local language.
Carry Allergy Card
Carry a card in the local language explaining your allergy to show at restaurants.
Research Typical Dishes
Research common dishes in your destination to identify those that typically contain Seafood.
Pack Emergency Medication
Always carry any necessary allergy medication, including antihistamines or an epinephrine auto-injector if prescribed.