Food Safety Report: Black Angus Steakhouse, Graves Avenue, El Cajon, CA, USA 4 months ago • details 64 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Stomach Pain, Headache Suspected source: Lobster, shrimp, crab Onset: 12 to 24 hours Duration: 12 to 24 hours Additional information: Not sure what caused it