What you see: The black line or “vein” on the outer curve of your shrimp. What it is: The shrimp’s digestive tract! It's sometimes called a “sand vein.”Eat or
Black lines under shrimp shell
What you see: Dark lines on your shrimp’s flesh. What it is: Likely, naturally occurring discoloration. Eat or toss: Eat! As long as the shrimp smells
Dark, black coloration on shrimp
What you see: Black discoloration on your shrimp. The tails are turning black and amorphous black blobs have formed where the shell segments connect. What