What color is bad raw shrimp?

If you're buying raw shrimp, they should be white and slightly transparent. If you are buying cooked shrimp, they should be pink. Bad shrimp look discolored, and that discoloration might indicate that the flesh is spoiled. Also, look to see if the shells appear yellow or gritty.

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Just so, how can you tell if raw shrimp is bad?

The best way is to smell and look at the shrimp: signs of bad shrimp are a sour smell, dull color and slimy texture; discard any shrimp with an off smell or appearance.

Also Know, what happens if you eat shrimp that smells like ammonia? Slightly salty (like sea water )smell is sign of fresh shrimp, be careful with smell like ammonia because it is the sign of bacteria growth in shrimp which may lead you to food poisoning. If the shells appears gritty or yellow , this is the sign of chemicals are used to keep shrimp fresh.

Thereof, how long does raw shrimp last in the fridge?

two to three days

How can you tell if prawns are off?

Fresh, unspoiled shrimp should give off a slightly salty odor, if they have any odor at all. Shrimp with an overwhelming fishy odor may be past their prime, and the smell of ammonia or bleach may indicate the growth of bacteria that could lead to food poisoning.