How do you tell if crab is good or bad?

Pick up the crab and smell it.A crab that is fresh won't smell at all or have a sweet smell.The crab should not be eaten if it smells sour, strong, or rancid.

How can you tell if seafood is bad?The fish is fine to cook and eat if the flesh is still firm and the skin is shiny.If your seafood smells bad, you should discard it.

Domoic acid can cause nausea, vomiting, and abdominal pains in people.It can develop into headaches, dizziness, confusion, motor weakness, and in severe cases, death within 48 hours.