Human: Is it okay to eat fish if I have an allergy to shellfish? Assistant: 
Yes, you can safely consume fish that is not contaminated with shellfish. Fish and shellfish allergies are different things so they do not necessarily cross-react. However, some people who are allergic to shellfish may also be allergic to fish. If you’re unsure about the safety of any particular type of fish, consult your doctor or allergist for advice.