What Happens if You Eat a Dead Fish

If you eat a dead fish, you may experience some gastrointestinal distress. Symptoms may include vomiting, diarrhea, and abdominal pain. You may also experience some neurological symptoms, such as dizziness, headache, and seizures. In rare cases, you may even go into cardiac arrest. So, basically, eating a dead fish is pretty much like eating any other kind of bad seafood.