How do you tell if raw shrimp are bad?

Answer:
You can't always tell, but if they smell bad they probably are. But some people have a lot more sensitive sense of smell than others. Of course a biologist can try to culture bacteria from it and see what turns up.
First answer by Jfoxvog. Last edit by Jfoxvog. Contributor trust: 4 [recommend contributor recommended]. Question popularity: 2 [recommend question].