The Other Line on Shrimp You Don’t Need to Worry About

Shrimp also have a channel on the underside of their bodies, which is actually a blood vessel. This part does not contain waste and poses no issue, so it does not need to be removed. Only the dark line along the back is relevant.

What the Vein Can Tell You About Freshness

The color of the digestive tract can sometimes indicate freshness:

• Very dark vein: May suggest the shrimp has been stored longer or not handled well.
• Lighter vein: Often associated with fresher shrimp or those with a cleaner diet.
• While not a perfect indicator, it can be a helpful visual clue.