shrimp should become opaque and firm rather than translucent.
For the most reliable food-safety check, use a food thermometer and follow the recommended safe internal temperature for shellfish.
What If the Shrimp Smells Bad?
The dark line isn’t a reliable indicator of spoilage.
Instead, pay attention to the shrimp’s overall condition.
Fresh shrimp should have a mild, clean smell. A strong ammonia-like or unpleasant odor is a warning sign.
Also be cautious with shrimp that have an unusual texture, discoloration, or other obvious signs of deterioration.
When in doubt, it’s
