Food Safety Report: Octopus, H Mart Irvine NorthPark, 3931 Irvine Boulevard, Irvine, CA, USA 1 year ago • details 5 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Chills Suspected source: Octopus Onset: 4 to 12 hours Duration: Less than 4 hours Additional information: Ate cooked octopus