What everyday packaged dog foods or treats might secretly contain crawfish or its flavor?

Crawfish itself is safe for dogs if it's plain, cooked tail meat, but it's not a common hidden ingredient. You're more likely to find it in limited-ingredient or novel-protein diets for dogs with food allergies, often labeled as 'crayfish' or 'freshwater lobster'. The real risk with flavored versions is the seasoning — treats or toppers with 'Cajun style' or 'garlic butter' labels are unsafe. Always check the ingredient list for onion or garlic powder, and when in doubt, stick to simple, single-protein treats you recognize.